513298948564 has 12 divisors (see below), whose sum is σ = 898358970964. Its totient is φ = 256624956864.

The previous prime is 513298948553. The next prime is 513298948567. The reversal of 513298948564 is 465849892315.

It can be written as a sum of positive squares in 2 ways, for example, as 238282612164 + 275016336400 = 488142^2 + 524420^2 .

It is a junction number, because it is equal to n+sod(n) for n = 513298948496 and 513298948505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513298948567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6082209 + ... + 6166024.

Almost surely, 2^513298948564 is an apocalyptic number.

It is an amenable number.

513298948564 is a deficient number, since it is larger than the sum of its proper divisors (385060022400).

513298948564 is a wasteful number, since it uses less digits than its factorization.

513298948564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12258714 (or 12258712 counting only the distinct ones).

The product of its digits is 74649600, while the sum is 64.

The spelling of 513298948564 in words is "five hundred thirteen billion, two hundred ninety-eight million, nine hundred forty-eight thousand, five hundred sixty-four".