129050928790 has 32 divisors (see below), whose sum is σ = 265701155904. Its totient is φ = 44208539520.

The previous prime is 129050928763. The next prime is 129050928791. The reversal of 129050928790 is 97829050921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129050928791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 697849 + ... + 863188.

It is an arithmetic number, because the mean of its divisors is an integer number (8303161122).

Almost surely, 2^129050928790 is an apocalyptic number.

129050928790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129050928790 is an abundant number, since it is smaller than the sum of its proper divisors (136650227114).

129050928790 is a wasteful number, since it uses less digits than its factorization.

129050928790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562232.

The product of its (nonzero) digits is 816480, while the sum is 52.

The spelling of 129050928790 in words is "one hundred twenty-nine billion, fifty million, nine hundred twenty-eight thousand, seven hundred ninety".