26256525313349 has 2 divisors, whose sum is σ = 26256525313350. Its totient is φ = 26256525313348.

The previous prime is 26256525313339. The next prime is 26256525313441. The reversal of 26256525313349 is 94331352565262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25767623697124 + 488901616225 = 5076182^2 + 699215^2 .

It is a cyclic number.

It is not a de Polignac number, because 26256525313349 - 2³⁶ = 26187805836613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26256525313294 and 26256525313303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26256525313339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13128262656674 + 13128262656675.

It is an arithmetic number, because the mean of its divisors is an integer number (13128262656675).

Almost surely, 2^{26256525313349} is an apocalyptic number.

It is an amenable number.

26256525313349 is a deficient number, since it is larger than the sum of its proper divisors (1).

26256525313349 is an equidigital number, since it uses as much as digits as its factorization.

26256525313349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992000, while the sum is 56.

The spelling of 26256525313349 in words is "twenty-six trillion, two hundred fifty-six billion, five hundred twenty-five million, three hundred thirteen thousand, three hundred forty-nine".