625965487408 has 10 divisors (see below), whose sum is σ = 1212808131884. Its totient is φ = 312982743696.

The previous prime is 625965487379. The next prime is 625965487421. The reversal of 625965487408 is 804784569526.

625965487408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 625965487408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19561421466 + ... + 19561421497.

Almost surely, 2^625965487408 is an apocalyptic number.

It is an amenable number.

625965487408 is a deficient number, since it is larger than the sum of its proper divisors (586842644476).

625965487408 is a wasteful number, since it uses less digits than its factorization.

625965487408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39122842971 (or 39122842965 counting only the distinct ones).

The product of its (nonzero) digits is 116121600, while the sum is 64.

The spelling of 625965487408 in words is "six hundred twenty-five billion, nine hundred sixty-five million, four hundred eighty-seven thousand, four hundred eight".