625667642630 has 16 divisors (see below), whose sum is σ = 1126268151264. Its totient is φ = 250252302720.

The previous prime is 625667642603. The next prime is 625667642683. The reversal of 625667642630 is 36246766526.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1665362 + ... + 2006181.

It is an arithmetic number, because the mean of its divisors is an integer number (70391759454).

Almost surely, 2^625667642630 is an apocalyptic number.

625667642630 is a deficient number, since it is larger than the sum of its proper divisors (500600508634).

625667642630 is a wasteful number, since it uses less digits than its factorization.

625667642630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3688591.

The product of its (nonzero) digits is 13063680, while the sum is 53.

The spelling of 625667642630 in words is "six hundred twenty-five billion, six hundred sixty-seven million, six hundred forty-two thousand, six hundred thirty".