129104728410 has 64 divisors (see below), whose sum is σ = 354364803072. Its totient is φ = 29488904256.

The previous prime is 129104728397. The next prime is 129104728411. The reversal of 129104728410 is 14827401921.

129104728410 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×129104728410² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (129104728411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84259 + ... + 515081.

It is an arithmetic number, because the mean of its divisors is an integer number (5536950048).

Almost surely, 2^129104728410 is an apocalyptic number.

129104728410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129104728410 is an abundant number, since it is smaller than the sum of its proper divisors (225260074662).

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

129104728410 is a wasteful number, since it uses less digits than its factorization.

129104728410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432267.

The product of its (nonzero) digits is 32256, while the sum is 39.

The spelling of 129104728410 in words is "one hundred twenty-nine billion, one hundred four million, seven hundred twenty-eight thousand, four hundred ten".