129046676928 has 56 divisors (see below), whose sum is σ = 367700314128. Its totient is φ = 39706669056.

The previous prime is 129046676893. The next prime is 129046676981. The reversal of 129046676928 is 829676640921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25848201 + ... + 25853192.

It is an arithmetic number, because the mean of its divisors is an integer number (6566077038).

Almost surely, 2^129046676928 is an apocalyptic number.

It is an amenable number.

129046676928 is an abundant number, since it is smaller than the sum of its proper divisors (238653637200).

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

129046676928 is a wasteful number, since it uses less digits than its factorization.

129046676928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51701421 (or 51701411 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 60.

The spelling of 129046676928 in words is "one hundred twenty-nine billion, forty-six million, six hundred seventy-six thousand, nine hundred twenty-eight".