129508884824 has 64 divisors (see below), whose sum is σ = 280169193600. Its totient is φ = 55504915200.

The previous prime is 129508884823. The next prime is 129508884829. The reversal of 129508884824 is 428488805921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129508884823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169244 + ... + 536340.

It is an arithmetic number, because the mean of its divisors is an integer number (4377643650).

Almost surely, 2^129508884824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129508884824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140084596800).

129508884824 is an abundant number, since it is smaller than the sum of its proper divisors (150660308776).

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

129508884824 is a wasteful number, since it uses less digits than its factorization.

129508884824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367344 (or 367340 counting only the distinct ones).

The product of its (nonzero) digits is 11796480, while the sum is 59.

The spelling of 129508884824 in words is "one hundred twenty-nine billion, five hundred eight million, eight hundred eighty-four thousand, eight hundred twenty-four".