513436990612 has 24 divisors (see below), whose sum is σ = 1105864288256. Its totient is φ = 203117930208.

The previous prime is 513436990597. The next prime is 513436990631. The reversal of 513436990612 is 216099634315.

It is a super-2 number, since 2×513436990612² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705270228 + ... + 705270955.

Almost surely, 2^513436990612 is an apocalyptic number.

513436990612 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

513436990612 is an abundant number, since it is smaller than the sum of its proper divisors (592427297644).

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

513436990612 is a wasteful number, since it uses less digits than its factorization.

513436990612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410541207 (or 1410541205 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 49.

The spelling of 513436990612 in words is "five hundred thirteen billion, four hundred thirty-six million, nine hundred ninety thousand, six hundred twelve".