4625686620864 has 168 divisors, whose sum is σ = 14196358734480. Its totient is φ = 1434889961472.

The previous prime is 4625686620853. The next prime is 4625686620899. The reversal of 4625686620864 is 4680266865264.

4625686620864 is a `hidden beast` number, since 4 + 6 + 2 + 568 + 6 + 6 + 2 + 0 + 8 + 64 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1782414 + ... + 3525389.

Almost surely, 2^{4625686620864} is an apocalyptic number.

It is an amenable number.

4625686620864 is an abundant number, since it is smaller than the sum of its proper divisors (9570672113616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4625686620864 is a wasteful number, since it uses less digits than its factorization.

4625686620864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5307927 (or 5307914 counting only the distinct ones).

The product of its (nonzero) digits is 159252480, while the sum is 63.

The spelling of 4625686620864 in words is "four trillion, six hundred twenty-five billion, six hundred eighty-six million, six hundred twenty thousand, eight hundred sixty-four".