6564854744 has 32 divisors (see below), whose sum is σ = 14092600320. Its totient is φ = 2808498336.

The previous prime is 6564854743. The next prime is 6564854761. The reversal of 6564854744 is 4474584656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6564854743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72584 + ... + 135639.

It is an arithmetic number, because the mean of its divisors is an integer number (440393760).

Almost surely, 2^6564854744 is an apocalyptic number.

It is an amenable number.

6564854744 is an abundant number, since it is smaller than the sum of its proper divisors (7527745576).

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

6564854744 is a wasteful number, since it uses less digits than its factorization.

6564854744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208799 (or 208795 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 53.

The square root of 6564854744 is about 81023.7912220849. The cubic root of 6564854744 is about 1872.4419986276.

The spelling of 6564854744 in words is "six billion, five hundred sixty-four million, eight hundred fifty-four thousand, seven hundred forty-four".