6491336488 has 32 divisors (see below), whose sum is σ = 14980008960. Its totient is φ = 2568000960.

The previous prime is 6491336477. The next prime is 6491336503. The reversal of 6491336488 is 8846331946.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4457608 + ... + 4459063.

It is an arithmetic number, because the mean of its divisors is an integer number (468125280).

Almost surely, 2^6491336488 is an apocalyptic number.

It is an amenable number.

6491336488 is an abundant number, since it is smaller than the sum of its proper divisors (8488672472).

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

6491336488 is a wasteful number, since it uses less digits than its factorization.

6491336488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8916697 (or 8916693 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 52.

The square root of 6491336488 is about 80568.8307473802. The cubic root of 6491336488 is about 1865.4260647558.

The spelling of 6491336488 in words is "six billion, four hundred ninety-one million, three hundred thirty-six thousand, four hundred eighty-eight".