8563444468 has 12 divisors (see below), whose sum is σ = 15209700352. Its totient is φ = 4217815800.

The previous prime is 8563444399. The next prime is 8563444469. The reversal of 8563444468 is 8644443658.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8563444469) 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, 15976308 + ... + 15976843.

Almost surely, 2^8563444468 is an apocalyptic number.

It is an amenable number.

8563444468 is a deficient number, since it is larger than the sum of its proper divisors (6646255884).

8563444468 is a wasteful number, since it uses less digits than its factorization.

8563444468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31953222 (or 31953220 counting only the distinct ones).

The product of its digits is 8847360, while the sum is 52.

The square root of 8563444468 is about 92538.8808447563. The cubic root of 8563444468 is about 2045.8925862847.

The spelling of 8563444468 in words is "eight billion, five hundred sixty-three million, four hundred forty-four thousand, four hundred sixty-eight".