6488613064 has 8 divisors (see below), whose sum is σ = 12166149510. Its totient is φ = 3244306528.

The previous prime is 6488612959. The next prime is 6488613113. The reversal of 6488613064 is 4603168846.

It can be written as a sum of positive squares in only one way, i.e., 6478640100 + 9972964 = 80490^2 + 3158^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×6488613064² = 84204198988622936192, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405538309 + ... + 405538324.

Almost surely, 2^6488613064 is an apocalyptic number.

It is an amenable number.

6488613064 is a deficient number, since it is larger than the sum of its proper divisors (5677536446).

6488613064 is a wasteful number, since it uses less digits than its factorization.

6488613064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811076639 (or 811076635 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 46.

The square root of 6488613064 is about 80551.9277485027. The cubic root of 6488613064 is about 1865.1651499826.

The spelling of 6488613064 in words is "six billion, four hundred eighty-eight million, six hundred thirteen thousand, sixty-four".