2939465831 has 2 divisors, whose sum is σ = 2939465832. Its totient is φ = 2939465830.

The previous prime is 2939465821. The next prime is 2939465843. The reversal of 2939465831 is 1385649392.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2939465831 is a prime.

It is a super-2 number, since 2×2939465831² = 17280918743233041122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2939465831.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2939465821) 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, 1469732915 + 1469732916.

It is an arithmetic number, because the mean of its divisors is an integer number (1469732916).

Almost surely, 2^2939465831 is an apocalyptic number.

2939465831 is a deficient number, since it is larger than the sum of its proper divisors (1).

2939465831 is an equidigital number, since it uses as much as digits as its factorization.

2939465831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1399680, while the sum is 50.

The square root of 2939465831 is about 54216.8408430443. The cubic root of 2939465831 is about 1432.4829848119.

The spelling of 2939465831 in words is "two billion, nine hundred thirty-nine million, four hundred sixty-five thousand, eight hundred thirty-one".