639196123596 has 96 divisors (see below), whose sum is σ = 1569714263040. Its totient is φ = 202174963200.

The previous prime is 639196123549. The next prime is 639196123619. The reversal of 639196123596 is 695321691936.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68060061 + ... + 68069451.

It is an arithmetic number, because the mean of its divisors is an integer number (16351190240).

Almost surely, 2^639196123596 is an apocalyptic number.

It is an amenable number.

639196123596 is an abundant number, since it is smaller than the sum of its proper divisors (930518139444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

639196123596 is a wasteful number, since it uses less digits than its factorization.

639196123596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13215 (or 13213 counting only the distinct ones).

The product of its digits is 14171760, while the sum is 60.

The spelling of 639196123596 in words is "six hundred thirty-nine billion, one hundred ninety-six million, one hundred twenty-three thousand, five hundred ninety-six".