26596448861 has 2 divisors, whose sum is σ = 26596448862. Its totient is φ = 26596448860.

The previous prime is 26596448849. The next prime is 26596448867. The reversal of 26596448861 is 16884469562.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23766847225 + 2829601636 = 154165^2 + 53194^2 .

It is a cyclic number.

It is not a de Polignac number, because 26596448861 - 2¹⁰ = 26596447837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26596448861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26596448867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13298224430 + 13298224431.

It is an arithmetic number, because the mean of its divisors is an integer number (13298224431).

Almost surely, 2^26596448861 is an apocalyptic number.

It is an amenable number.

26596448861 is a deficient number, since it is larger than the sum of its proper divisors (1).

26596448861 is an equidigital number, since it uses as much as digits as its factorization.

26596448861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19906560, while the sum is 59.

The spelling of 26596448861 in words is "twenty-six billion, five hundred ninety-six million, four hundred forty-eight thousand, eight hundred sixty-one".