513644260530 has 16 divisors (see below), whose sum is σ = 1232746225344. Its totient is φ = 136971802800.

The previous prime is 513644260517. The next prime is 513644260553. The reversal of 513644260530 is 35062446315.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8560737646 + ... + 8560737705.

It is an arithmetic number, because the mean of its divisors is an integer number (77046639084).

Almost surely, 2^513644260530 is an apocalyptic number.

513644260530 is an abundant number, since it is smaller than the sum of its proper divisors (719101964814).

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

513644260530 is a wasteful number, since it uses less digits than its factorization.

513644260530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17121475361.

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 513644260530 in words is "five hundred thirteen billion, six hundred forty-four million, two hundred sixty thousand, five hundred thirty".