129044393364 has 48 divisors (see below), whose sum is σ = 304693520768. Its totient is φ = 42503781888.

The previous prime is 129044393347. The next prime is 129044393381. The reversal of 129044393364 is 463393440921.

It is an interprime number because it is at equal distance from previous prime (129044393347) and next prime (129044393381).

It is a congruent number.

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, 450624 + ... + 679080.

Almost surely, 2^129044393364 is an apocalyptic number.

It is an amenable number.

129044393364 is an abundant number, since it is smaller than the sum of its proper divisors (175649127404).

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

129044393364 is a wasteful number, since it uses less digits than its factorization.

129044393364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229024 (or 229022 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 48.

The spelling of 129044393364 in words is "one hundred twenty-nine billion, forty-four million, three hundred ninety-three thousand, three hundred sixty-four".