625916338794 has 32 divisors (see below), whose sum is σ = 1396894861440. Its totient is φ = 207743330016.

The previous prime is 625916338759. The next prime is 625916338799. The reversal of 625916338794 is 497833619526.

625916338794 is a `hidden beast` number, since 6 + 2 + 5 + 9 + 163 + 387 + 94 = 666.

It is not an unprimeable number, because it can be changed into a prime (625916338799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24860902 + ... + 24886065.

It is an arithmetic number, because the mean of its divisors is an integer number (43652964420).

Almost surely, 2^625916338794 is an apocalyptic number.

625916338794 is an abundant number, since it is smaller than the sum of its proper divisors (770978522646).

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

625916338794 is a wasteful number, since it uses less digits than its factorization.

625916338794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49747211 (or 49747205 counting only the distinct ones).

The product of its digits is 58786560, while the sum is 63.

The spelling of 625916338794 in words is "six hundred twenty-five billion, nine hundred sixteen million, three hundred thirty-eight thousand, seven hundred ninety-four".