4398985564 has 12 divisors (see below), whose sum is σ = 8103394600. Its totient is φ = 2083729968.

The previous prime is 4398985561. The next prime is 4398985579. The reversal of 4398985564 is 4655898934.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4398985561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28940619 + ... + 28940770.

Almost surely, 2^4398985564 is an apocalyptic number.

It is an amenable number.

4398985564 is a deficient number, since it is larger than the sum of its proper divisors (3704409036).

4398985564 is a wasteful number, since it uses less digits than its factorization.

4398985564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57881412 (or 57881410 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 61.

The square root of 4398985564 is about 66324.8487672607. The cubic root of 4398985564 is about 1638.5165998565.

The spelling of 4398985564 in words is "four billion, three hundred ninety-eight million, nine hundred eighty-five thousand, five hundred sixty-four".