625840620994 has 8 divisors (see below), whose sum is σ = 938835788688. Its totient is φ = 312895358100.

The previous prime is 625840620967. The next prime is 625840621013. The reversal of 625840620994 is 499026048526.

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

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, 12444832 + ... + 12495019.

It is an arithmetic number, because the mean of its divisors is an integer number (117354473586).

Almost surely, 2^625840620994 is an apocalyptic number.

625840620994 is a deficient number, since it is larger than the sum of its proper divisors (312995167694).

625840620994 is a wasteful number, since it uses less digits than its factorization.

625840620994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24952400.

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 625840620994 in words is "six hundred twenty-five billion, eight hundred forty million, six hundred twenty thousand, nine hundred ninety-four".