6563336464 has 60 divisors (see below), whose sum is σ = 13194142500. Its totient is φ = 3162530304.

The previous prime is 6563336411. The next prime is 6563336471. The reversal of 6563336464 is 4646333656.

It can be written as a sum of positive squares in 6 ways, for example, as 729432064 + 5833904400 = 27008^2 + 76380^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2386162 + ... + 2388910.

It is an arithmetic number, because the mean of its divisors is an integer number (219902375).

Almost surely, 2^6563336464 is an apocalyptic number.

It is an amenable number.

6563336464 is an abundant number, since it is smaller than the sum of its proper divisors (6630806036).

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

6563336464 is a wasteful number, since it uses less digits than its factorization.

6563336464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2940 (or 2897 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 46.

The square root of 6563336464 is about 81014.4213334885. The cubic root of 6563336464 is about 1872.2976384684.

The spelling of 6563336464 in words is "six billion, five hundred sixty-three million, three hundred thirty-six thousand, four hundred sixty-four".