2564672718 has 16 divisors (see below), whose sum is σ = 5294808576. Its totient is φ = 827313720.

The previous prime is 2564672701. The next prime is 2564672731. The reversal of 2564672718 is 8172764652.

It is a congruent number.

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, 6894096 + ... + 6894467.

It is an arithmetic number, because the mean of its divisors is an integer number (330925536).

Almost surely, 2^2564672718 is an apocalyptic number.

2564672718 is an abundant number, since it is smaller than the sum of its proper divisors (2730135858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2564672718 is a wasteful number, since it uses less digits than its factorization.

2564672718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13788599.

The product of its digits is 1128960, while the sum is 48.

The square root of 2564672718 is about 50642.5978599045. The cubic root of 2564672718 is about 1368.8125676368.

The spelling of 2564672718 in words is "two billion, five hundred sixty-four million, six hundred seventy-two thousand, seven hundred eighteen".