513497848568 has 32 divisors (see below), whose sum is σ = 1037078415360. Its totient is φ = 237663798240.

The previous prime is 513497848559. The next prime is 513497848613. The reversal of 513497848568 is 865848794315.

It is a junction number, because it is equal to n+sod(n) for n = 513497848498 and 513497848507.

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, 45006380 + ... + 45017787.

It is an arithmetic number, because the mean of its divisors is an integer number (32408700480).

Almost surely, 2^513497848568 is an apocalyptic number.

It is an amenable number.

513497848568 is an abundant number, since it is smaller than the sum of its proper divisors (523580566792).

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

513497848568 is a wasteful number, since it uses less digits than its factorization.

513497848568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90024227 (or 90024223 counting only the distinct ones).

The product of its digits is 232243200, while the sum is 68.

The spelling of 513497848568 in words is "five hundred thirteen billion, four hundred ninety-seven million, eight hundred forty-eight thousand, five hundred sixty-eight".