2939968389 has 24 divisors (see below), whose sum is σ = 4174561440. Its totient is φ = 1840056064.

The previous prime is 2939968379. The next prime is 2939968391. The reversal of 2939968389 is 9838699392.

It is not a de Polignac number, because 2939968389 - 2⁴ = 2939968373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2939968379) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 359227 + ... + 367319.

It is an arithmetic number, because the mean of its divisors is an integer number (173940060).

Almost surely, 2^2939968389 is an apocalyptic number.

It is an amenable number.

2939968389 is a deficient number, since it is larger than the sum of its proper divisors (1234593051).

2939968389 is a wasteful number, since it uses less digits than its factorization.

2939968389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8549 (or 8532 counting only the distinct ones).

The product of its digits is 45349632, while the sum is 66.

The square root of 2939968389 is about 54221.4753487951. The cubic root of 2939968389 is about 1432.5646169635.

The spelling of 2939968389 in words is "two billion, nine hundred thirty-nine million, nine hundred sixty-eight thousand, three hundred eighty-nine".