26634196229 has 2 divisors, whose sum is σ = 26634196230. Its totient is φ = 26634196228.

The previous prime is 26634196201. The next prime is 26634196231. The reversal of 26634196229 is 92269143662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14296984900 + 12337211329 = 119570^2 + 111073^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26634196229 is a prime.

Together with 26634196231, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26634196129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13317098114 + 13317098115.

It is an arithmetic number, because the mean of its divisors is an integer number (13317098115).

Almost surely, 2^26634196229 is an apocalyptic number.

It is an amenable number.

26634196229 is a deficient number, since it is larger than the sum of its proper divisors (1).

26634196229 is an equidigital number, since it uses as much as digits as its factorization.

26634196229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1679616, while the sum is 50.

The spelling of 26634196229 in words is "twenty-six billion, six hundred thirty-four million, one hundred ninety-six thousand, two hundred twenty-nine".