2813565457 has 4 divisors (see below), whose sum is σ = 2847463920. Its totient is φ = 2779666996.

The previous prime is 2813565437. The next prime is 2813565479. The reversal of 2813565457 is 7545653182.

2813565457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7545653182 = 2 ⋅3772826591.

It is a cyclic number.

It is not a de Polignac number, because 2813565457 - 2¹¹ = 2813563409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2813565437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16949107 + ... + 16949272.

It is an arithmetic number, because the mean of its divisors is an integer number (711865980).

Almost surely, 2^2813565457 is an apocalyptic number.

It is an amenable number.

2813565457 is a deficient number, since it is larger than the sum of its proper divisors (33898463).

2813565457 is an equidigital number, since it uses as much as digits as its factorization.

2813565457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33898462.

The product of its digits is 1008000, while the sum is 46.

The square root of 2813565457 is about 53043.0528627454. The cubic root of 2813565457 is about 1411.7322667601.

The spelling of 2813565457 in words is "two billion, eight hundred thirteen million, five hundred sixty-five thousand, four hundred fifty-seven".