6647374265 has 64 divisors (see below), whose sum is σ = 9500958720. Its totient is φ = 4371045120.

The previous prime is 6647374243. The next prime is 6647374271. The reversal of 6647374265 is 5624737466.

It is not a de Polignac number, because 6647374265 - 2²⁰ = 6646325689 is a prime.

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 63 ways as a sum of consecutive naturals, for example, 23488814 + ... + 23489096.

It is an arithmetic number, because the mean of its divisors is an integer number (148452480).

Almost surely, 2^6647374265 is an apocalyptic number.

It is an amenable number.

6647374265 is a deficient number, since it is larger than the sum of its proper divisors (2853584455).

6647374265 is a wasteful number, since it uses less digits than its factorization.

6647374265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582.

The product of its digits is 5080320, while the sum is 50.

The square root of 6647374265 is about 81531.4311477482. The cubic root of 6647374265 is about 1880.2548191831.

The spelling of 6647374265 in words is "six billion, six hundred forty-seven million, three hundred seventy-four thousand, two hundred sixty-five".