56642976963 has 24 divisors (see below), whose sum is σ = 83577661440. Its totient is φ = 36955407600.

The previous prime is 56642976961. The next prime is 56642977009. The reversal of 56642976963 is 36967924665.

It is a happy number.

56642976963 is a `hidden beast` number, since 56 + 6 + 429 + 76 + 96 + 3 = 666.

56642976963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56642976963 - 2¹ = 56642976961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56642976963.

It is not an unprimeable number, because it can be changed into a prime (56642976961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120763 + ... + 357588.

It is an arithmetic number, because the mean of its divisors is an integer number (3482402560).

Almost surely, 2^56642976963 is an apocalyptic number.

56642976963 is a deficient number, since it is larger than the sum of its proper divisors (26934684477).

56642976963 is a wasteful number, since it uses less digits than its factorization.

56642976963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478639 (or 478636 counting only the distinct ones).

The product of its digits is 88179840, while the sum is 63.

The spelling of 56642976963 in words is "fifty-six billion, six hundred forty-two million, nine hundred seventy-six thousand, nine hundred sixty-three".