26492357831 has 2 divisors, whose sum is σ = 26492357832. Its totient is φ = 26492357830.

The previous prime is 26492357807. The next prime is 26492357839. The reversal of 26492357831 is 13875329462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26492357831 - 2¹⁸ = 26492095687 is a prime.

It is a super-2 number, since 2×26492357831² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26492357831.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26492357839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13246178915 + 13246178916.

It is an arithmetic number, because the mean of its divisors is an integer number (13246178916).

Almost surely, 2^26492357831 is an apocalyptic number.

26492357831 is a deficient number, since it is larger than the sum of its proper divisors (1).

26492357831 is an equidigital number, since it uses as much as digits as its factorization.

26492357831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 50.

The spelling of 26492357831 in words is "twenty-six billion, four hundred ninety-two million, three hundred fifty-seven thousand, eight hundred thirty-one".