2564004705 has 16 divisors (see below), whose sum is σ = 4133726784. Its totient is φ = 1357029440.

The previous prime is 2564004701. The next prime is 2564004721. The reversal of 2564004705 is 5074004652.

2564004705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2564004705 - 2² = 2564004701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2564004701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 650454 + ... + 654383.

It is an arithmetic number, because the mean of its divisors is an integer number (258357924).

Almost surely, 2^2564004705 is an apocalyptic number.

It is an amenable number.

2564004705 is a deficient number, since it is larger than the sum of its proper divisors (1569722079).

2564004705 is a wasteful number, since it uses less digits than its factorization.

2564004705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304976.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 2564004705 is about 50636.0020637491. The cubic root of 2564004705 is about 1368.6937137464.

The spelling of 2564004705 in words is "two billion, five hundred sixty-four million, four thousand, seven hundred five".