513564507434 has 128 divisors (see below), whose sum is σ = 932079329280. Its totient is φ = 209842617600.

The previous prime is 513564507433. The next prime is 513564507439. The reversal of 513564507434 is 434705465315.

It is not an unprimeable number, because it can be changed into a prime (513564507433) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 56975912 + ... + 56984924.

It is an arithmetic number, because the mean of its divisors is an integer number (7281869760).

Almost surely, 2^513564507434 is an apocalyptic number.

513564507434 is a deficient number, since it is larger than the sum of its proper divisors (418514821846).

513564507434 is a wasteful number, since it uses less digits than its factorization.

513564507434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9196.

The product of its (nonzero) digits is 3024000, while the sum is 47.

The spelling of 513564507434 in words is "five hundred thirteen billion, five hundred sixty-four million, five hundred seven thousand, four hundred thirty-four".