56651693969 has 8 divisors (see below), whose sum is σ = 62977565952. Its totient is φ = 50606971920.

The previous prime is 56651693963. The next prime is 56651693971. The reversal of 56651693969 is 96939615665.

56651693969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56651693969 - 2²⁰ = 56650645393 is a prime.

It is a super-2 number, since 2×56651693969² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56651693963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70287059 + ... + 70287864.

It is an arithmetic number, because the mean of its divisors is an integer number (7872195744).

Almost surely, 2^56651693969 is an apocalyptic number.

It is an amenable number.

56651693969 is a deficient number, since it is larger than the sum of its proper divisors (6325871983).

56651693969 is a wasteful number, since it uses less digits than its factorization.

56651693969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140574967.

The product of its digits is 70858800, while the sum is 65.

The spelling of 56651693969 in words is "fifty-six billion, six hundred fifty-one million, six hundred ninety-three thousand, nine hundred sixty-nine".