26344122769 has 2 divisors, whose sum is σ = 26344122770. Its totient is φ = 26344122768.

The previous prime is 26344122751. The next prime is 26344122781. The reversal of 26344122769 is 96722144362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26302352400 + 41770369 = 162180^2 + 6463^2 .

It is a cyclic number.

It is not a de Polignac number, because 26344122769 - 2⁵ = 26344122737 is a prime.

It is a super-2 number, since 2×26344122769² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26344122569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13172061384 + 13172061385.

It is an arithmetic number, because the mean of its divisors is an integer number (13172061385).

Almost surely, 2^26344122769 is an apocalyptic number.

It is an amenable number.

26344122769 is a deficient number, since it is larger than the sum of its proper divisors (1).

26344122769 is an equidigital number, since it uses as much as digits as its factorization.

26344122769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 46.

The spelling of 26344122769 in words is "twenty-six billion, three hundred forty-four million, one hundred twenty-two thousand, seven hundred sixty-nine".