2989339931 has 2 divisors, whose sum is σ = 2989339932. Its totient is φ = 2989339930.

The previous prime is 2989339897. The next prime is 2989339979. The reversal of 2989339931 is 1399339892.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2989339931 - 2²² = 2985145627 is a prime.

It is a super-2 number, since 2×2989339931² = 17872306446142169522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2989339531) 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 as a sum of consecutive naturals, namely, 1494669965 + 1494669966.

It is an arithmetic number, because the mean of its divisors is an integer number (1494669966).

Almost surely, 2^2989339931 is an apocalyptic number.

2989339931 is a deficient number, since it is larger than the sum of its proper divisors (1).

2989339931 is an equidigital number, since it uses as much as digits as its factorization.

2989339931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2834352, while the sum is 56.

The square root of 2989339931 is about 54674.8564790069. The cubic root of 2989339931 is about 1440.5392673847.

The spelling of 2989339931 in words is "two billion, nine hundred eighty-nine million, three hundred thirty-nine thousand, nine hundred thirty-one".