2639085331 has 2 divisors, whose sum is σ = 2639085332. Its totient is φ = 2639085330.

The previous prime is 2639085329. The next prime is 2639085341. The reversal of 2639085331 is 1335809362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2639085331 - 2¹ = 2639085329 is a prime.

It is a super-2 number, since 2×2639085331² = 13929542768598759122, which contains 22 as substring.

Together with 2639085329, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2639085341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1319542665 + 1319542666.

It is an arithmetic number, because the mean of its divisors is an integer number (1319542666).

Almost surely, 2^2639085331 is an apocalyptic number.

2639085331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2639085331 is an equidigital number, since it uses as much as digits as its factorization.

2639085331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 2639085331 is about 51372.0286829321. The cubic root of 2639085331 is about 1381.9250126684.

The spelling of 2639085331 in words is "two billion, six hundred thirty-nine million, eighty-five thousand, three hundred thirty-one".