2254864665 has 16 divisors (see below), whose sum is σ = 3609144000. Its totient is φ = 1202140992.

The previous prime is 2254864657. The next prime is 2254864679. The reversal of 2254864665 is 5664684522.

It is a happy number.

It is not a de Polignac number, because 2254864665 - 2³ = 2254864657 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14886 + ... + 68784.

It is an arithmetic number, because the mean of its divisors is an integer number (225571500).

Almost surely, 2^2254864665 is an apocalyptic number.

It is an amenable number.

2254864665 is a deficient number, since it is larger than the sum of its proper divisors (1354279335).

2254864665 is a wasteful number, since it uses less digits than its factorization.

2254864665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56696.

The product of its digits is 2764800, while the sum is 48.

The square root of 2254864665 is about 47485.4152872227. The cubic root of 2254864665 is about 1311.3143898336.

The spelling of 2254864665 in words is "two billion, two hundred fifty-four million, eight hundred sixty-four thousand, six hundred sixty-five".