26634196231 has 2 divisors, whose sum is σ = 26634196232. Its totient is φ = 26634196230.

The previous prime is 26634196229. The next prime is 26634196321. The reversal of 26634196231 is 13269143662.

Together with next prime (26634196321) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26634196231 - 2¹ = 26634196229 is a prime.

It is a super-2 number, since 2×26634196231² (a number of 22 digits) contains 22 as substring.

Together with 26634196229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26634196201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13317098115 + 13317098116.

It is an arithmetic number, because the mean of its divisors is an integer number (13317098116).

Almost surely, 2^26634196231 is an apocalyptic number.

26634196231 is a deficient number, since it is larger than the sum of its proper divisors (1).

26634196231 is an equidigital number, since it uses as much as digits as its factorization.

26634196231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 43.

The spelling of 26634196231 in words is "twenty-six billion, six hundred thirty-four million, one hundred ninety-six thousand, two hundred thirty-one".