625637625695 has 16 divisors (see below), whose sum is σ = 761378315328. Its totient is φ = 493435380480.

The previous prime is 625637625689. The next prime is 625637625713. The reversal of 625637625695 is 596526736526.

It is not a de Polignac number, because 625637625695 - 2¹² = 625637621599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10099757 + ... + 10161513.

It is an arithmetic number, because the mean of its divisors is an integer number (47586144708).

Almost surely, 2^625637625695 is an apocalyptic number.

625637625695 is a deficient number, since it is larger than the sum of its proper divisors (135740689633).

625637625695 is a wasteful number, since it uses less digits than its factorization.

625637625695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90370.

The product of its digits is 122472000, while the sum is 62.

The spelling of 625637625695 in words is "six hundred twenty-five billion, six hundred thirty-seven million, six hundred twenty-five thousand, six hundred ninety-five".