26582222081897 has 2 divisors, whose sum is σ = 26582222081898. Its totient is φ = 26582222081896.

The previous prime is 26582222081867. The next prime is 26582222081911. The reversal of 26582222081897 is 79818022228562.

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., 25005040254016 + 1577181827881 = 5000504^2 + 1255859^2 .

It is a cyclic number.

It is not a de Polignac number, because 26582222081897 - 2²⁰ = 26582221033321 is a prime.

It is a super-2 number, since 2×26582222081897² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26582222081867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13291111040948 + 13291111040949.

It is an arithmetic number, because the mean of its divisors is an integer number (13291111040949).

Almost surely, 2^{26582222081897} is an apocalyptic number.

It is an amenable number.

26582222081897 is a deficient number, since it is larger than the sum of its proper divisors (1).

26582222081897 is an equidigital number, since it uses as much as digits as its factorization.

26582222081897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30965760, while the sum is 62.

The spelling of 26582222081897 in words is "twenty-six trillion, five hundred eighty-two billion, two hundred twenty-two million, eighty-one thousand, eight hundred ninety-seven".