6479271812 has 48 divisors (see below), whose sum is σ = 12939518592. Its totient is φ = 2812285440.

The previous prime is 6479271811. The next prime is 6479271859. The reversal of 6479271812 is 2181729746.

It is not an unprimeable number, because it can be changed into a prime (6479271811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1616603 + ... + 1620605.

It is an arithmetic number, because the mean of its divisors is an integer number (269573304).

Almost surely, 2^6479271812 is an apocalyptic number.

It is an amenable number.

6479271812 is a deficient number, since it is larger than the sum of its proper divisors (6460246780).

6479271812 is a wasteful number, since it uses less digits than its factorization.

6479271812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5868 (or 5866 counting only the distinct ones).

The product of its digits is 338688, while the sum is 47.

The square root of 6479271812 is about 80493.9240688389. The cubic root of 6479271812 is about 1864.2696660975.

The spelling of 6479271812 in words is "six billion, four hundred seventy-nine million, two hundred seventy-one thousand, eight hundred twelve".