2509938631 has 2 divisors, whose sum is σ = 2509938632. Its totient is φ = 2509938630.

The previous prime is 2509938619. The next prime is 2509938637. The reversal of 2509938631 is 1368399052.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2509938631 is a prime.

It is a super-2 number, since 2×2509938631² = 12599583862772308322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2509938637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1254969315 + 1254969316.

It is an arithmetic number, because the mean of its divisors is an integer number (1254969316).

Almost surely, 2^2509938631 is an apocalyptic number.

2509938631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2509938631 is an equidigital number, since it uses as much as digits as its factorization.

2509938631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 2509938631 is about 50099.2877294678. The cubic root of 2509938631 is about 1359.0049365932.

The spelling of 2509938631 in words is "two billion, five hundred nine million, nine hundred thirty-eight thousand, six hundred thirty-one".