6139811694 has 16 divisors (see below), whose sum is σ = 12281105232. Its totient is φ = 2046356928.

The previous prime is 6139811687. The next prime is 6139811719. The reversal of 6139811694 is 4961189316.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3679 + ... + 110874.

It is an arithmetic number, because the mean of its divisors is an integer number (767569077).

Almost surely, 2^6139811694 is an apocalyptic number.

6139811694 is an abundant number, since it is smaller than the sum of its proper divisors (6141293538).

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

6139811694 is a wasteful number, since it uses less digits than its factorization.

6139811694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123491.

The product of its digits is 279936, while the sum is 48.

The square root of 6139811694 is about 78356.9505149352. The cubic root of 6139811694 is about 1831.1265117504.

The spelling of 6139811694 in words is "six billion, one hundred thirty-nine million, eight hundred eleven thousand, six hundred ninety-four".