6939641612 has 12 divisors (see below), whose sum is σ = 12144985776. Its totient is φ = 3469645680.

The previous prime is 6939641593. The next prime is 6939641659. The reversal of 6939641612 is 2161469396.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92537 + ... + 149807.

It is an arithmetic number, because the mean of its divisors is an integer number (1012082148).

Almost surely, 2^6939641612 is an apocalyptic number.

It is an amenable number.

6939641612 is a deficient number, since it is larger than the sum of its proper divisors (5205344164).

6939641612 is a wasteful number, since it uses less digits than its factorization.

6939641612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87568 (or 87566 counting only the distinct ones).

The product of its digits is 419904, while the sum is 47.

The square root of 6939641612 is about 83304.5113544279. The cubic root of 6939641612 is about 1907.4171398304.

The spelling of 6939641612 in words is "six billion, nine hundred thirty-nine million, six hundred forty-one thousand, six hundred twelve".