2939466139 has 2 divisors, whose sum is σ = 2939466140. Its totient is φ = 2939466138.

The previous prime is 2939466137. The next prime is 2939466203. The reversal of 2939466139 is 9316649392.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2939466139 - 2¹ = 2939466137 is a prime.

It is a super-2 number, since 2×2939466139² = 17280922364655134642, which contains 22 as substring.

Together with 2939466137, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2939466137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1469733069 + 1469733070.

It is an arithmetic number, because the mean of its divisors is an integer number (1469733070).

Almost surely, 2^2939466139 is an apocalyptic number.

2939466139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2939466139 is an equidigital number, since it uses as much as digits as its factorization.

2939466139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1889568, while the sum is 52.

The square root of 2939466139 is about 54216.8436834901. The cubic root of 2939466139 is about 1432.4830348442.

The spelling of 2939466139 in words is "two billion, nine hundred thirty-nine million, four hundred sixty-six thousand, one hundred thirty-nine".