3129917694 has 16 divisors (see below), whose sum is σ = 6532002432. Its totient is φ = 997944728.

The previous prime is 3129917689. The next prime is 3129917701. The reversal of 3129917694 is 4967199213.

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, 11340144 + ... + 11340419.

It is an arithmetic number, because the mean of its divisors is an integer number (408250152).

Almost surely, 2^3129917694 is an apocalyptic number.

3129917694 is an abundant number, since it is smaller than the sum of its proper divisors (3402084738).

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

3129917694 is a wasteful number, since it uses less digits than its factorization.

3129917694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22680591.

The product of its digits is 734832, while the sum is 51.

The square root of 3129917694 is about 55945.6673389459. The cubic root of 3129917694 is about 1462.7753698152.

The spelling of 3129917694 in words is "three billion, one hundred twenty-nine million, nine hundred seventeen thousand, six hundred ninety-four".