513565475632 has 20 divisors (see below), whose sum is σ = 1085490664776. Its totient is φ = 233438852480.

The previous prime is 513565475609. The next prime is 513565475639. The reversal of 513565475632 is 236574565315.

It is a super-2 number, since 2×513565475632² (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 513565475632.

It is not an unprimeable number, because it can be changed into a prime (513565475639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1458992653 + ... + 1458993004.

Almost surely, 2^513565475632 is an apocalyptic number.

It is an amenable number.

513565475632 is an abundant number, since it is smaller than the sum of its proper divisors (571925189144).

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

513565475632 is a wasteful number, since it uses less digits than its factorization.

513565475632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2917985676 (or 2917985670 counting only the distinct ones).

The product of its digits is 11340000, while the sum is 52.

The spelling of 513565475632 in words is "five hundred thirteen billion, five hundred sixty-five million, four hundred seventy-five thousand, six hundred thirty-two".