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4354930401409 = 7247263432
BaseRepresentation
bin111111010111110110000…
…101000110000010000001
3120102022211120212020112201
4333113312011012002001
51032322344140321114
613132343304153201
7626430143433400
oct77276605060201
916368746766481
104354930401409
111429a08751525
125a4021468801
1325788bc97a33
14110acb917637
1578435cb8874
hex3f5f6146081

4354930401409 has 27 divisors (see below), whose sum is σ = 5176834859457. Its totient is φ = 3652800294024.

The previous prime is 4354930401379. The next prime is 4354930401421. The reversal of 4354930401409 is 9041040394534.

The square root of 4354930401409 is 2086847.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 4354930401409 - 215 = 4354930368641 is a prime.

It is a super-2 number, since 2×43549304014092 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4354930401439) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 686569492 + ... + 686575834.

Almost surely, 24354930401409 is an apocalyptic number.

4354930401409 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

4354930401409 is the 2086847-th square number.

4354930401409 is the 1043424-th centered octagonal number.

It is an amenable number.

4354930401409 is a deficient number, since it is larger than the sum of its proper divisors (821904458048).

4354930401409 is an frugal number, since it uses more digits than its factorization.

4354930401409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12794 (or 6397 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 4354930401409 in words is "four trillion, three hundred fifty-four billion, nine hundred thirty million, four hundred one thousand, four hundred nine".

Divisors: 1 7 47 49 329 2209 2303 6343 15463 44401 108241 298121 310807 2086847 14011687 14607929 40233649 98081809 281635543 686572663 1890981503 1971448801 13236870521 88876130641 92658093647 622132914487 4354930401409