6931944944 has 20 divisors (see below), whose sum is σ = 13479138024. Its totient is φ = 3453457728.

The previous prime is 6931944893. The next prime is 6931944967. The reversal of 6931944944 is 4494491396.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 777602 + ... + 786465.

Almost surely, 2^6931944944 is an apocalyptic number.

It is an amenable number.

6931944944 is a deficient number, since it is larger than the sum of its proper divisors (6547193080).

6931944944 is a wasteful number, since it uses less digits than its factorization.

6931944944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564352 (or 1564346 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 53.

The square root of 6931944944 is about 83258.3025529586. The cubic root of 6931944944 is about 1906.7117149663.

The spelling of 6931944944 in words is "six billion, nine hundred thirty-one million, nine hundred forty-four thousand, nine hundred forty-four".