26426390131 has 2 divisors, whose sum is σ = 26426390132. Its totient is φ = 26426390130.

The previous prime is 26426390087. The next prime is 26426390191. The reversal of 26426390131 is 13109362462.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26426390131 is a prime.

It is a super-3 number, since 3×26426390131³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (26426390191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13213195065 + 13213195066.

It is an arithmetic number, because the mean of its divisors is an integer number (13213195066).

Almost surely, 2^26426390131 is an apocalyptic number.

26426390131 is a deficient number, since it is larger than the sum of its proper divisors (1).

26426390131 is an equidigital number, since it uses as much as digits as its factorization.

26426390131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 26426390131 in words is "twenty-six billion, four hundred twenty-six million, three hundred ninety thousand, one hundred thirty-one".