2949339839 has 2 divisors, whose sum is σ = 2949339840. Its totient is φ = 2949339838.

The previous prime is 2949339803. The next prime is 2949339851. The reversal of 2949339839 is 9389339492.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2949339839 - 2²⁴ = 2932562623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2949339139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1474669919 + 1474669920.

It is an arithmetic number, because the mean of its divisors is an integer number (1474669920).

Almost surely, 2^2949339839 is an apocalyptic number.

2949339839 is a deficient number, since it is larger than the sum of its proper divisors (1).

2949339839 is an equidigital number, since it uses as much as digits as its factorization.

2949339839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11337408, while the sum is 59.

The square root of 2949339839 is about 54307.8248413615. The cubic root of 2949339839 is about 1434.0851512427.

The spelling of 2949339839 in words is "two billion, nine hundred forty-nine million, three hundred thirty-nine thousand, eight hundred thirty-nine".