6479891706 has 16 divisors (see below), whose sum is σ = 13523252544. Its totient is φ = 2066052384.

The previous prime is 6479891681. The next prime is 6479891723. The reversal of 6479891706 is 6071989746.

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, 23477731 + ... + 23478006.

It is an arithmetic number, because the mean of its divisors is an integer number (845203284).

Almost surely, 2^6479891706 is an apocalyptic number.

6479891706 is an abundant number, since it is smaller than the sum of its proper divisors (7043360838).

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

6479891706 is a wasteful number, since it uses less digits than its factorization.

6479891706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46955765.

The product of its (nonzero) digits is 4572288, while the sum is 57.

The square root of 6479891706 is about 80497.7745406667. The cubic root of 6479891706 is about 1864.3291178775.

The spelling of 6479891706 in words is "six billion, four hundred seventy-nine million, eight hundred ninety-one thousand, seven hundred six".