6684845475 has 96 divisors (see below), whose sum is σ = 13809401856. Its totient is φ = 2772086400.

The previous prime is 6684845467. The next prime is 6684845507. The reversal of 6684845475 is 5745484866.

It is not a de Polignac number, because 6684845475 - 2³ = 6684845467 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 95 ways as a sum of consecutive naturals, for example, 3504472 + ... + 3506378.

It is an arithmetic number, because the mean of its divisors is an integer number (143847936).

Almost surely, 2^6684845475 is an apocalyptic number.

6684845475 is an abundant number, since it is smaller than the sum of its proper divisors (7124556381).

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

6684845475 is a wasteful number, since it uses less digits than its factorization.

6684845475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2545 (or 2540 counting only the distinct ones).

The product of its digits is 25804800, while the sum is 57.

The square root of 6684845475 is about 81760.9043186290. The cubic root of 6684845475 is about 1883.7811965572.

The spelling of 6684845475 in words is "six billion, six hundred eighty-four million, eight hundred forty-five thousand, four hundred seventy-five".