26968451431 has 2 divisors, whose sum is σ = 26968451432. Its totient is φ = 26968451430.

The previous prime is 26968451413. The next prime is 26968451443. The reversal of 26968451431 is 13415486962.

Together with previous prime (26968451413) 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 not a de Polignac number, because 26968451431 - 2⁵ = 26968451399 is a prime.

It is a super-2 number, since 2×26968451431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26968451131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13484225715 + 13484225716.

It is an arithmetic number, because the mean of its divisors is an integer number (13484225716).

Almost surely, 2^26968451431 is an apocalyptic number.

26968451431 is a deficient number, since it is larger than the sum of its proper divisors (1).

26968451431 is an equidigital number, since it uses as much as digits as its factorization.

26968451431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 49.

The spelling of 26968451431 in words is "twenty-six billion, nine hundred sixty-eight million, four hundred fifty-one thousand, four hundred thirty-one".