2564714564 has 12 divisors (see below), whose sum is σ = 4488628284. Its totient is φ = 1282249344.

The previous prime is 2564714549. The next prime is 2564714591. The reversal of 2564714564 is 4654174652.

It can be written as a sum of positive squares in 2 ways, for example, as 317196100 + 2247518464 = 17810^2 + 47408^2 .

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52472 + ... + 88784.

It is an arithmetic number, because the mean of its divisors is an integer number (374052357).

Almost surely, 2^2564714564 is an apocalyptic number.

It is an amenable number.

2564714564 is a deficient number, since it is larger than the sum of its proper divisors (1923913720).

2564714564 is a wasteful number, since it uses less digits than its factorization.

2564714564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53974 (or 53972 counting only the distinct ones).

The product of its digits is 806400, while the sum is 44.

The square root of 2564714564 is about 50643.0110084304. The cubic root of 2564714564 is about 1368.8200122539.

The spelling of 2564714564 in words is "two billion, five hundred sixty-four million, seven hundred fourteen thousand, five hundred sixty-four".