9144564864 has 32 divisors (see below), whose sum is σ = 24290251440. Its totient is φ = 3048188160.

The previous prime is 9144564851. The next prime is 9144564901. The reversal of 9144564864 is 4684654419.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11906602 + ... + 11907369.

Almost surely, 2^9144564864 is an apocalyptic number.

It is an amenable number.

9144564864 is an abundant number, since it is smaller than the sum of its proper divisors (15145686576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9144564864 is a wasteful number, since it uses less digits than its factorization.

9144564864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23813988 (or 23813976 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 51.

The square root of 9144564864 is about 95627.2182174092. The cubic root of 9144564864 is about 2091.1620152301.

The spelling of 9144564864 in words is "nine billion, one hundred forty-four million, five hundred sixty-four thousand, eight hundred sixty-four".