26326763249 has 2 divisors, whose sum is σ = 26326763250. Its totient is φ = 26326763248.

The previous prime is 26326763231. The next prime is 26326763251. The reversal of 26326763249 is 94236762362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24880330225 + 1446433024 = 157735^2 + 38032^2 .

It is a cyclic number.

It is not a de Polignac number, because 26326763249 - 2⁸ = 26326762993 is a prime.

Together with 26326763251, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 26326763197 and 26326763206.

It is not a weakly prime, because it can be changed into another prime (26326763279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13163381624 + 13163381625.

It is an arithmetic number, because the mean of its divisors is an integer number (13163381625).

Almost surely, 2^26326763249 is an apocalyptic number.

It is an amenable number.

26326763249 is a deficient number, since it is larger than the sum of its proper divisors (1).

26326763249 is an equidigital number, since it uses as much as digits as its factorization.

26326763249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3919104, while the sum is 50.

The spelling of 26326763249 in words is "twenty-six billion, three hundred twenty-six million, seven hundred sixty-three thousand, two hundred forty-nine".