2299915813 has 18 divisors (see below), whose sum is σ = 2539626054. Its totient is φ = 2070486864.

The previous prime is 2299915763. The next prime is 2299915841. The reversal of 2299915813 is 3185199922.

It can be written as a sum of positive squares in only one way, i.e., 1592249409 + 707666404 = 39903^2 + 26602^2 .

It is not a de Polignac number, because 2299915813 - 2¹⁷ = 2299784741 is a prime.

It is a super-2 number, since 2×2299915813² = 10579225493774901938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2299915913) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8126770 + ... + 8127052.

Almost surely, 2^2299915813 is an apocalyptic number.

It is an amenable number.

2299915813 is a deficient number, since it is larger than the sum of its proper divisors (239710241).

2299915813 is an frugal number, since it uses more digits than its factorization.

2299915813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673 (or 343 counting only the distinct ones).

The product of its digits is 349920, while the sum is 49.

The square root of 2299915813 is about 47957.4375149465. The cubic root of 2299915813 is about 1319.9900161856.

The spelling of 2299915813 in words is "two billion, two hundred ninety-nine million, nine hundred fifteen thousand, eight hundred thirteen".