2813315873 has 12 divisors (see below), whose sum is σ = 2997210300. Its totient is φ = 2640145152.

The previous prime is 2813315849. The next prime is 2813315887. The reversal of 2813315873 is 3785133182.

It can be written as a sum of positive squares in 6 ways, for example, as 1441872784 + 1371443089 = 37972^2 + 37033^2 .

It is not a de Polignac number, because 2813315873 - 2¹² = 2813311777 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2813315873.

It is not an unprimeable number, because it can be changed into a prime (2813315273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86915 + ... + 114807.

It is an arithmetic number, because the mean of its divisors is an integer number (249767525).

Almost surely, 2^2813315873 is an apocalyptic number.

It is an amenable number.

2813315873 is a deficient number, since it is larger than the sum of its proper divisors (183894427).

2813315873 is a wasteful number, since it uses less digits than its factorization.

2813315873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28276 (or 28259 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 2813315873 is about 53040.7001556352. The cubic root of 2813315873 is about 1411.6905218389.

The spelling of 2813315873 in words is "two billion, eight hundred thirteen million, three hundred fifteen thousand, eight hundred seventy-three".