513985292672 has 32 divisors (see below), whose sum is σ = 1035460211400. Its totient is φ = 254105082880.

The previous prime is 513985292657. The next prime is 513985292731. The reversal of 513985292672 is 276292589315.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

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, 22547654 + ... + 22570437.

Almost surely, 2^513985292672 is an apocalyptic number.

It is an amenable number.

513985292672 is an abundant number, since it is smaller than the sum of its proper divisors (521474918728).

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

513985292672 is an equidigital number, since it uses as much as digits as its factorization.

513985292672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45118194 (or 45118182 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 59.

The spelling of 513985292672 in words is "five hundred thirteen billion, nine hundred eighty-five million, two hundred ninety-two thousand, six hundred seventy-two".