513013220632 has 16 divisors (see below), whose sum is σ = 1049345224200. Its totient is φ = 233187827520.

The previous prime is 513013220593. The next prime is 513013220669. The reversal of 513013220632 is 236022310315.

It is a super-2 number, since 2×513013220632² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 513013220632.

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, 2914847757 + ... + 2914847932.

Almost surely, 2^513013220632 is an apocalyptic number.

It is an amenable number.

513013220632 is an abundant number, since it is smaller than the sum of its proper divisors (536332003568).

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

513013220632 is a wasteful number, since it uses less digits than its factorization.

513013220632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5829695706 (or 5829695702 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 513013220632 its reverse (236022310315), we get a palindrome (749035530947).

The spelling of 513013220632 in words is "five hundred thirteen billion, thirteen million, two hundred twenty thousand, six hundred thirty-two".