56756634869 has 16 divisors (see below), whose sum is σ = 62245915776. Its totient is φ = 51322790400.

The previous prime is 56756634839. The next prime is 56756634941. The reversal of 56756634869 is 96843665765.

It is a cyclic number.

It is not a de Polignac number, because 56756634869 - 2¹² = 56756630773 is a prime.

It is a super-2 number, since 2×56756634869² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56756634839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2339369 + ... + 2363505.

It is an arithmetic number, because the mean of its divisors is an integer number (3890369736).

Almost surely, 2^56756634869 is an apocalyptic number.

It is an amenable number.

56756634869 is a deficient number, since it is larger than the sum of its proper divisors (5489280907).

56756634869 is a wasteful number, since it uses less digits than its factorization.

56756634869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25276.

The product of its digits is 195955200, while the sum is 65.

The spelling of 56756634869 in words is "fifty-six billion, seven hundred fifty-six million, six hundred thirty-four thousand, eight hundred sixty-nine".