129334519644 has 48 divisors (see below), whose sum is σ = 332411439360. Its totient is φ = 38811767040.

The previous prime is 129334519637. The next prime is 129334519651. The reversal of 129334519644 is 446915433921.

It is an interprime number because it is at equal distance from previous prime (129334519637) and next prime (129334519651).

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 4742749 + ... + 4769940.

It is an arithmetic number, because the mean of its divisors is an integer number (6925238320).

Almost surely, 2^129334519644 is an apocalyptic number.

It is an amenable number.

129334519644 is an abundant number, since it is smaller than the sum of its proper divisors (203076919716).

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

129334519644 is a wasteful number, since it uses less digits than its factorization.

129334519644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9512810 (or 9512808 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 51.

The spelling of 129334519644 in words is "one hundred twenty-nine billion, three hundred thirty-four million, five hundred nineteen thousand, six hundred forty-four".