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8244961969 is a prime number
BaseRepresentation
bin1111010110111000…
…00010001010110001
3210021121100110112211
413223130002022301
5113341202240334
63442050052121
7411214006666
oct75334021261
923247313484
108244961969
11355107aa62
12172127a041
13a1521062a
14583031a6d
15333c86a64
hex1eb7022b1

8244961969 has 2 divisors, whose sum is σ = 8244961970. Its totient is φ = 8244961968.

The previous prime is 8244961919. The next prime is 8244961979. The reversal of 8244961969 is 9691694428.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6926400625 + 1318561344 = 83225^2 + 36312^2 .

It is a cyclic number.

It is not a de Polignac number, because 8244961969 - 223 = 8236573361 is a prime.

It is a super-2 number, since 2×82449619692 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8244961919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4122480984 + 4122480985.

It is an arithmetic number, because the mean of its divisors is an integer number (4122480985).

Almost surely, 28244961969 is an apocalyptic number.

It is an amenable number.

8244961969 is a deficient number, since it is larger than the sum of its proper divisors (1).

8244961969 is an equidigital number, since it uses as much as digits as its factorization.

8244961969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6718464, while the sum is 58.

The square root of 8244961969 is about 90801.7729397395. The cubic root of 8244961969 is about 2020.2086155979.

The spelling of 8244961969 in words is "eight billion, two hundred forty-four million, nine hundred sixty-one thousand, nine hundred sixty-nine".