2564337065 has 16 divisors (see below), whose sum is σ = 3121852800. Its totient is φ = 2021749632.

The previous prime is 2564337047. The next prime is 2564337073. The reversal of 2564337065 is 5607334652.

2564337065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2564337065 - 2⁸ = 2564336809 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, 683966 + ... + 687704.

It is an arithmetic number, because the mean of its divisors is an integer number (195115800).

Almost surely, 2^2564337065 is an apocalyptic number.

It is an amenable number.

2564337065 is a deficient number, since it is larger than the sum of its proper divisors (557515735).

2564337065 is a wasteful number, since it uses less digits than its factorization.

2564337065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5696.

The product of its (nonzero) digits is 453600, while the sum is 41.

The square root of 2564337065 is about 50639.2838120762. The cubic root of 2564337065 is about 1368.7528503238.

The spelling of 2564337065 in words is "two billion, five hundred sixty-four million, three hundred thirty-seven thousand, sixty-five".