6489365368 has 32 divisors (see below), whose sum is σ = 12567020400. Its totient is φ = 3139838208.

The previous prime is 6489365353. The next prime is 6489365381. The reversal of 6489365368 is 8635639846.

It is a happy number.

It is a super-2 number, since 2×6489365368² = 84223725758795550848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73878 + ... + 135781.

Almost surely, 2^6489365368 is an apocalyptic number.

It is an amenable number.

6489365368 is a deficient number, since it is larger than the sum of its proper divisors (6077655032).

6489365368 is a wasteful number, since it uses less digits than its factorization.

6489365368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209791 (or 209787 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 58.

The square root of 6489365368 is about 80556.5972965591. The cubic root of 6489365368 is about 1865.2372309735.

The spelling of 6489365368 in words is "six billion, four hundred eighty-nine million, three hundred sixty-five thousand, three hundred sixty-eight".