2539842631 has 2 divisors, whose sum is σ = 2539842632. Its totient is φ = 2539842630.

The previous prime is 2539842593. The next prime is 2539842637. The reversal of 2539842631 is 1362489352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2539842631 - 2¹⁹ = 2539318343 is a prime.

It is a super-2 number, since 2×2539842631² = 12901601180490004322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2539842637) 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, 1269921315 + 1269921316.

It is an arithmetic number, because the mean of its divisors is an integer number (1269921316).

Almost surely, 2^2539842631 is an apocalyptic number.

2539842631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2539842631 is an equidigital number, since it uses as much as digits as its factorization.

2539842631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 43.

The square root of 2539842631 is about 50396.8513996658. The cubic root of 2539842631 is about 1364.3808112701.

The spelling of 2539842631 in words is "two billion, five hundred thirty-nine million, eight hundred forty-two thousand, six hundred thirty-one".