513356265263 has 16 divisors (see below), whose sum is σ = 529804661760. Its totient is φ = 497150601696.

The previous prime is 513356265229. The next prime is 513356265319. The reversal of 513356265263 is 362562653315.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 513356265263 - 2¹² = 513356261167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513356261263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3738956 + ... + 3873822.

It is an arithmetic number, because the mean of its divisors is an integer number (33112791360).

Almost surely, 2^513356265263 is an apocalyptic number.

513356265263 is a deficient number, since it is larger than the sum of its proper divisors (16448396497).

513356265263 is a wasteful number, since it uses less digits than its factorization.

513356265263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135766.

The product of its digits is 2916000, while the sum is 47.

The spelling of 513356265263 in words is "five hundred thirteen billion, three hundred fifty-six million, two hundred sixty-five thousand, two hundred sixty-three".