129488492365680 has 160 divisors (see below), whose sum is σ = 482904452851200. Its totient is φ = 28039613377536.

The previous prime is 129488492365627. The next prime is 129488492365693. The reversal of 129488492365680 is 86563294884921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2028296595 + ... + 2028360434.

It is an arithmetic number, because the mean of its divisors is an integer number (3018152830320).

Almost surely, 2^{129488492365680} is an apocalyptic number.

129488492365680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129488492365680 is an abundant number, since it is smaller than the sum of its proper divisors (353415960485520).

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

129488492365680 is a wasteful number, since it uses less digits than its factorization.

129488492365680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4056657071 (or 4056657065 counting only the distinct ones).

The product of its (nonzero) digits is 1433272320, while the sum is 75.

The spelling of 129488492365680 in words is "one hundred twenty-nine trillion, four hundred eighty-eight billion, four hundred ninety-two million, three hundred sixty-five thousand, six hundred eighty".