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3498983989 is a prime number
BaseRepresentation
bin1101000010001110…
…0100001000110101
3100000211221210200121
43100203210020311
524131214441424
61335111211541
7152464605334
oct32043441065
910024853617
103498983989
1115360a3506
12817976bb1
13439ba2037
142529b5d1b
151572aaee4
hexd08e4235

3498983989 has 2 divisors, whose sum is σ = 3498983990. Its totient is φ = 3498983988.

The previous prime is 3498983987. The next prime is 3498984017. The reversal of 3498983989 is 9893898943.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1853302500 + 1645681489 = 43050^2 + 40567^2 .

It is an emirp because it is prime and its reverse (9893898943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3498983989 - 21 = 3498983987 is a prime.

Together with 3498983987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3498983987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1749491994 + 1749491995.

It is an arithmetic number, because the mean of its divisors is an integer number (1749491995).

Almost surely, 23498983989 is an apocalyptic number.

It is an amenable number.

3498983989 is a deficient number, since it is larger than the sum of its proper divisors (1).

3498983989 is an equidigital number, since it uses as much as digits as its factorization.

3498983989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120932352, while the sum is 70.

The square root of 3498983989 is about 59152.2103475432. The cubic root of 3498983989 is about 1518.1475570626.

The spelling of 3498983989 in words is "three billion, four hundred ninety-eight million, nine hundred eighty-three thousand, nine hundred eighty-nine".