6939164272 has 40 divisors (see below), whose sum is σ = 13786176656. Its totient is φ = 3382511616.

The previous prime is 6939164263. The next prime is 6939164327. The reversal of 6939164272 is 2724619396.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70618 + ... + 137350.

Almost surely, 2^6939164272 is an apocalyptic number.

It is an amenable number.

6939164272 is a deficient number, since it is larger than the sum of its proper divisors (6847012384).

6939164272 is a wasteful number, since it uses less digits than its factorization.

6939164272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66905 (or 66899 counting only the distinct ones).

The product of its digits is 979776, while the sum is 49.

The square root of 6939164272 is about 83301.6462742484. The cubic root of 6939164272 is about 1907.3734052292.

The spelling of 6939164272 in words is "six billion, nine hundred thirty-nine million, one hundred sixty-four thousand, two hundred seventy-two".