6659279475 has 48 divisors (see below), whose sum is σ = 11114288640. Its totient is φ = 3518137600.

The previous prime is 6659279449. The next prime is 6659279503. The reversal of 6659279475 is 5749729566.

6659279475 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6659279475 - 2⁵ = 6659279443 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 47 ways as a sum of consecutive naturals, for example, 4495735 + ... + 4497215.

It is an arithmetic number, because the mean of its divisors is an integer number (231547680).

Almost surely, 2^6659279475 is an apocalyptic number.

6659279475 is a deficient number, since it is larger than the sum of its proper divisors (4455009165).

6659279475 is a wasteful number, since it uses less digits than its factorization.

6659279475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020 (or 2015 counting only the distinct ones).

The product of its digits is 28576800, while the sum is 60.

The square root of 6659279475 is about 81604.4084287117. The cubic root of 6659279475 is about 1881.3766394883.

The spelling of 6659279475 in words is "six billion, six hundred fifty-nine million, two hundred seventy-nine thousand, four hundred seventy-five".