4053564644 has 12 divisors (see below), whose sum is σ = 7111085100. Its totient is φ = 2021826048.

The previous prime is 4053564629. The next prime is 4053564667. The reversal of 4053564644 is 4464653504.

It can be written as a sum of positive squares in 2 ways, for example, as 2592031744 + 1461532900 = 50912^2 + 38230^2 .

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, 1237229 + ... + 1240500.

It is an arithmetic number, because the mean of its divisors is an integer number (592590425).

Almost surely, 2^4053564644 is an apocalyptic number.

It is an amenable number.

4053564644 is a deficient number, since it is larger than the sum of its proper divisors (3057520456).

4053564644 is a wasteful number, since it uses less digits than its factorization.

4053564644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2478142 (or 2478140 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 41.

The square root of 4053564644 is about 63667.6106352359. The cubic root of 4053564644 is about 1594.4553708960.

The spelling of 4053564644 in words is "four billion, fifty-three million, five hundred sixty-four thousand, six hundred forty-four".