5657656959 has 12 divisors (see below), whose sum is σ = 8175640096. Its totient is φ = 3770170272.

The previous prime is 5657656937. The next prime is 5657656997. The reversal of 5657656959 is 9596567565.

5657656959 is a `hidden beast` number, since 5 + 6 + 576 + 5 + 6 + 9 + 59 = 666.

It is not a de Polignac number, because 5657656959 - 2⁹ = 5657656447 is a prime.

It is a super-2 number, since 2×5657656959² = 64018164531442255362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5657656896 and 5657656905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5657656159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110839 + ... + 153624.

Almost surely, 2^5657656959 is an apocalyptic number.

5657656959 is a deficient number, since it is larger than the sum of its proper divisors (2517983137).

5657656959 is a wasteful number, since it uses less digits than its factorization.

5657656959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266846 (or 266843 counting only the distinct ones).

The product of its digits is 76545000, while the sum is 63.

The square root of 5657656959 is about 75217.3979807863. The cubic root of 5657656959 is about 1781.8817115117.

The spelling of 5657656959 in words is "five billion, six hundred fifty-seven million, six hundred fifty-six thousand, nine hundred fifty-nine".