2539369331 has 2 divisors, whose sum is σ = 2539369332. Its totient is φ = 2539369330.

The previous prime is 2539369307. The next prime is 2539369351. The reversal of 2539369331 is 1339639352.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2539369331 is a prime.

It is a super-2 number, since 2×2539369331² = 12896793198446775122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2539369351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1269684665 + 1269684666.

It is an arithmetic number, because the mean of its divisors is an integer number (1269684666).

Almost surely, 2^2539369331 is an apocalyptic number.

2539369331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2539369331 is an equidigital number, since it uses as much as digits as its factorization.

2539369331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 393660, while the sum is 44.

The square root of 2539369331 is about 50392.1554510223. The cubic root of 2539369331 is about 1364.2960551587.

The spelling of 2539369331 in words is "two billion, five hundred thirty-nine million, three hundred sixty-nine thousand, three hundred thirty-one".