129092845830 has 64 divisors (see below), whose sum is σ = 333875969280. Its totient is φ = 31755689856.

The previous prime is 129092845813. The next prime is 129092845841. The reversal of 129092845830 is 38548290921.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 485301 + ... + 702639.

It is an arithmetic number, because the mean of its divisors is an integer number (5216812020).

Almost surely, 2^129092845830 is an apocalyptic number.

129092845830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129092845830 is an abundant number, since it is smaller than the sum of its proper divisors (204783123450).

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

129092845830 is a wasteful number, since it uses less digits than its factorization.

129092845830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218885.

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 129092845830 in words is "one hundred twenty-nine billion, ninety-two million, eight hundred forty-five thousand, eight hundred thirty".