129859398924 has 48 divisors (see below), whose sum is σ = 320971644000. Its totient is φ = 40722103296.

The previous prime is 129859398887. The next prime is 129859398947. The reversal of 129859398924 is 429893958921.

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, 322602 + ... + 603150.

It is an arithmetic number, because the mean of its divisors is an integer number (6686909250).

Almost surely, 2^129859398924 is an apocalyptic number.

It is an amenable number.

129859398924 is an abundant number, since it is smaller than the sum of its proper divisors (191112245076).

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

129859398924 is a wasteful number, since it uses less digits than its factorization.

129859398924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282842 (or 282840 counting only the distinct ones).

The product of its digits is 100776960, while the sum is 69.

The spelling of 129859398924 in words is "one hundred twenty-nine billion, eight hundred fifty-nine million, three hundred ninety-eight thousand, nine hundred twenty-four".