2495469239531 has 2 divisors, whose sum is σ = 2495469239532. Its totient is φ = 2495469239530.

The previous prime is 2495469239513. The next prime is 2495469239539. The reversal of 2495469239531 is 1359329645942.

2495469239531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (2495469239513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2495469239531 is a prime.

It is a super-2 number, since 2×2495469239531² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2495469239539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1247734619765 + 1247734619766.

It is an arithmetic number, because the mean of its divisors is an integer number (1247734619766).

Almost surely, 2^{2495469239531} is an apocalyptic number.

2495469239531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2495469239531 is an equidigital number, since it uses as much as digits as its factorization.

2495469239531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62985600, while the sum is 62.

The spelling of 2495469239531 in words is "two trillion, four hundred ninety-five billion, four hundred sixty-nine million, two hundred thirty-nine thousand, five hundred thirty-one".