129038864829 has 32 divisors (see below), whose sum is σ = 200679686400. Its totient is φ = 73723204800.

The previous prime is 129038864791. The next prime is 129038864831. The reversal of 129038864829 is 928468830921.

It is not a de Polignac number, because 129038864829 - 2⁸ = 129038864573 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129038864879) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 10058239 + ... + 10071059.

It is an arithmetic number, because the mean of its divisors is an integer number (6271240200).

Almost surely, 2^129038864829 is an apocalyptic number.

It is an amenable number.

129038864829 is a deficient number, since it is larger than the sum of its proper divisors (71640821571).

129038864829 is an equidigital number, since it uses as much as digits as its factorization.

129038864829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22626 (or 22612 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 60.

The spelling of 129038864829 in words is "one hundred twenty-nine billion, thirty-eight million, eight hundred sixty-four thousand, eight hundred twenty-nine".