2261137874 has 16 divisors (see below), whose sum is σ = 3459629016. Its totient is φ = 1108060800.

The previous prime is 2261137847. The next prime is 2261137913. The reversal of 2261137874 is 4787311622.

It can be written as a sum of positive squares in 4 ways, for example, as 1567605649 + 693532225 = 39593^2 + 26335^2 .

It is a super-2 number, since 2×2261137874² = 10225488970474479752, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1304 + ... + 67260.

Almost surely, 2^2261137874 is an apocalyptic number.

2261137874 is a deficient number, since it is larger than the sum of its proper divisors (1198491142).

2261137874 is a wasteful number, since it uses less digits than its factorization.

2261137874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66301.

The product of its digits is 112896, while the sum is 41.

The square root of 2261137874 is about 47551.4234697554. The cubic root of 2261137874 is about 1312.5293234144.

The spelling of 2261137874 in words is "two billion, two hundred sixty-one million, one hundred thirty-seven thousand, eight hundred seventy-four".