6321151922 has 18 divisors (see below), whose sum is σ = 10075331997. Its totient is φ = 2973760224.

The previous prime is 6321151913. The next prime is 6321151951. The reversal of 6321151922 is 2291511236.

It can be written as a sum of positive squares in 2 ways, for example, as 5785275721 + 535876201 = 76061^2 + 23149^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=56219.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1909793 + ... + 1913099.

Almost surely, 2^6321151922 is an apocalyptic number.

6321151922 is a deficient number, since it is larger than the sum of its proper divisors (3754180075).

6321151922 is an frugal number, since it uses more digits than its factorization.

6321151922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6650 (or 3326 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 6321151922 is about 79505.6722630530. The cubic root of 6321151922 is about 1848.9794148738.

Multiplying 6321151922 by its sum of digits (32), we get a square (202276861504 = 449752²).

The spelling of 6321151922 in words is "six billion, three hundred twenty-one million, one hundred fifty-one thousand, nine hundred twenty-two".