4427818564 has 24 divisors (see below), whose sum is σ = 8570272088. Its totient is φ = 1988375040.

The previous prime is 4427818561. The next prime is 4427818579. The reversal of 4427818564 is 4658187244.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1040578564 + 3387240000 = 32258^2 + 58200^2 .

It is not an unprimeable number, because it can be changed into a prime (4427818561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1148757 + ... + 1152604.

Almost surely, 2^4427818564 is an apocalyptic number.

It is an amenable number.

4427818564 is a deficient number, since it is larger than the sum of its proper divisors (4142453524).

4427818564 is a wasteful number, since it uses less digits than its factorization.

4427818564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2301415 (or 2301413 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 49.

The square root of 4427818564 is about 66541.8557300591. The cubic root of 4427818564 is about 1642.0886737931.

The spelling of 4427818564 in words is "four billion, four hundred twenty-seven million, eight hundred eighteen thousand, five hundred sixty-four".