513963597069 has 12 divisors (see below), whose sum is σ = 799498928956. Its totient is φ = 316285290432.

The previous prime is 513963597041. The next prime is 513963597127. The reversal of 513963597069 is 960795369315.

513963597069 is a `hidden beast` number, since 5 + 1 + 39 + 6 + 3 + 597 + 0 + 6 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 245470702500 + 268492894569 = 495450^2 + 518163^2 .

It is not a de Polignac number, because 513963597069 - 2⁸ = 513963596813 is a prime.

It is a super-2 number, since 2×513963597069² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 513963596997 and 513963597015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513963597029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2196425512 + ... + 2196425745.

Almost surely, 2^513963597069 is an apocalyptic number.

It is an amenable number.

513963597069 is a deficient number, since it is larger than the sum of its proper divisors (285535331887).

513963597069 is a wasteful number, since it uses less digits than its factorization.

513963597069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4392851276 (or 4392851273 counting only the distinct ones).

The product of its (nonzero) digits is 41334300, while the sum is 63.

The spelling of 513963597069 in words is "five hundred thirteen billion, nine hundred sixty-three million, five hundred ninety-seven thousand, sixty-nine".