2939687613 has 16 divisors (see below), whose sum is σ = 4355928000. Its totient is φ = 1959415920.

The previous prime is 2939687593. The next prime is 2939687627. The reversal of 2939687613 is 3167869392.

It is not a de Polignac number, because 2939687613 - 2²⁹ = 2402816701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2939687613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2939687713) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 267283 + ... + 278063.

It is an arithmetic number, because the mean of its divisors is an integer number (272245500).

Almost surely, 2^2939687613 is an apocalyptic number.

It is an amenable number.

2939687613 is a deficient number, since it is larger than the sum of its proper divisors (1416240387).

2939687613 is a wasteful number, since it uses less digits than its factorization.

2939687613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20889 (or 20883 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The square root of 2939687613 is about 54218.8861283594. The cubic root of 2939687613 is about 1432.5190107397.

The spelling of 2939687613 in words is "two billion, nine hundred thirty-nine million, six hundred eighty-seven thousand, six hundred thirteen".