2564355706 has 16 divisors (see below), whose sum is σ = 4255322688. Its totient is φ = 1149198400.

The previous prime is 2564355683. The next prime is 2564355713. The reversal of 2564355706 is 6075534652.

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, 819295 + ... + 822418.

It is an arithmetic number, because the mean of its divisors is an integer number (265957668).

Almost surely, 2^2564355706 is an apocalyptic number.

2564355706 is a deficient number, since it is larger than the sum of its proper divisors (1690966982).

2564355706 is a wasteful number, since it uses less digits than its factorization.

2564355706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641797.

The product of its (nonzero) digits is 756000, while the sum is 43.

The square root of 2564355706 is about 50639.4678684522. The cubic root of 2564355706 is about 1368.7561669523.

The spelling of 2564355706 in words is "two billion, five hundred sixty-four million, three hundred fifty-five thousand, seven hundred six".