129846952864 has 24 divisors (see below), whose sum is σ = 255652377120. Its totient is φ = 64919365056.

The previous prime is 129846952843. The next prime is 129846952919. The reversal of 129846952864 is 468259648921.

It is a junction number, because it is equal to n+sod(n) for n = 129846952796 and 129846952805.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420867 + ... + 660925.

It is an arithmetic number, because the mean of its divisors is an integer number (10652182380).

Almost surely, 2^129846952864 is an apocalyptic number.

It is an amenable number.

129846952864 is a deficient number, since it is larger than the sum of its proper divisors (125805424256).

129846952864 is a wasteful number, since it uses less digits than its factorization.

129846952864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256972 (or 256964 counting only the distinct ones).

The product of its digits is 59719680, while the sum is 64.

The spelling of 129846952864 in words is "one hundred twenty-nine billion, eight hundred forty-six million, nine hundred fifty-two thousand, eight hundred sixty-four".