625949164238 has 8 divisors (see below), whose sum is σ = 938937944880. Its totient is φ = 312969849280.

The previous prime is 625949164193. The next prime is 625949164273. The reversal of 625949164238 is 832461949526.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2198723 + ... + 2467038.

It is an arithmetic number, because the mean of its divisors is an integer number (117367243110).

Almost surely, 2^625949164238 is an apocalyptic number.

625949164238 is a deficient number, since it is larger than the sum of its proper divisors (312988780642).

625949164238 is a wasteful number, since it uses less digits than its factorization.

625949164238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4732842.

The product of its digits is 22394880, while the sum is 59.

The spelling of 625949164238 in words is "six hundred twenty-five billion, nine hundred forty-nine million, one hundred sixty-four thousand, two hundred thirty-eight".