6813452172 has 96 divisors (see below), whose sum is σ = 16659482112. Its totient is φ = 2165239296.

The previous prime is 6813452171. The next prime is 6813452189. The reversal of 6813452172 is 2712543186.

It is a self number, because there is not a number n which added to its sum of digits gives 6813452172.

It is not an unprimeable number, because it can be changed into a prime (6813452171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6930793 + ... + 6931775.

It is an arithmetic number, because the mean of its divisors is an integer number (173536272).

Almost surely, 2^6813452172 is an apocalyptic number.

It is an amenable number.

6813452172 is an abundant number, since it is smaller than the sum of its proper divisors (9846029940).

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

6813452172 is a wasteful number, since it uses less digits than its factorization.

6813452172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327 (or 1325 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 6813452172 is about 82543.6379862191. The cubic root of 6813452172 is about 1895.7849470787.

The spelling of 6813452172 in words is "six billion, eight hundred thirteen million, four hundred fifty-two thousand, one hundred seventy-two".