129953807744 has 32 divisors (see below), whose sum is σ = 274121317800. Its totient is φ = 61154732032.

The previous prime is 129953807677. The next prime is 129953807759. The reversal of 129953807744 is 447708359921.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

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, 29858534 + ... + 29862885.

Almost surely, 2^129953807744 is an apocalyptic number.

It is an amenable number.

129953807744 is an abundant number, since it is smaller than the sum of its proper divisors (144167510056).

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

129953807744 is an equidigital number, since it uses as much as digits as its factorization.

129953807744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59721450 (or 59721438 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 59.

The spelling of 129953807744 in words is "one hundred twenty-nine billion, nine hundred fifty-three million, eight hundred seven thousand, seven hundred forty-four".