625389649604 has 48 divisors (see below), whose sum is σ = 1168479043200. Its totient is φ = 292009939200.

The previous prime is 625389649583. The next prime is 625389649627. The reversal of 625389649604 is 406946983526.

It is a happy number.

It is a super-2 number, since 2×625389649604² (a number of 24 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 49750232 + ... + 49762800.

It is an arithmetic number, because the mean of its divisors is an integer number (24343313400).

Almost surely, 2^625389649604 is an apocalyptic number.

It is an amenable number.

625389649604 is a deficient number, since it is larger than the sum of its proper divisors (543089393596).

625389649604 is a wasteful number, since it uses less digits than its factorization.

625389649604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21884 (or 21882 counting only the distinct ones).

The product of its (nonzero) digits is 67184640, while the sum is 62.

The spelling of 625389649604 in words is "six hundred twenty-five billion, three hundred eighty-nine million, six hundred forty-nine thousand, six hundred four".