513650256315 has 64 divisors (see below), whose sum is σ = 957403238400. Its totient is φ = 230313009024.

The previous prime is 513650256311. The next prime is 513650256331. The reversal of 513650256315 is 513652056315.

It is not a de Polignac number, because 513650256315 - 2² = 513650256311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (513650256311) 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, 999376 + ... + 1423394.

It is an arithmetic number, because the mean of its divisors is an integer number (14959425600).

Almost surely, 2^513650256315 is an apocalyptic number.

513650256315 is a deficient number, since it is larger than the sum of its proper divisors (443752982085).

513650256315 is a wasteful number, since it uses less digits than its factorization.

513650256315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424256.

The product of its (nonzero) digits is 405000, while the sum is 42.

The spelling of 513650256315 in words is "five hundred thirteen billion, six hundred fifty million, two hundred fifty-six thousand, three hundred fifteen".