26694476396593 has 2 divisors, whose sum is σ = 26694476396594. Its totient is φ = 26694476396592.

The previous prime is 26694476396551. The next prime is 26694476396597. The reversal of 26694476396593 is 39569367449662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20214483586704 + 6479992809889 = 4496052^2 + 2545583^2 .

It is a cyclic number.

It is not a de Polignac number, because 26694476396593 - 2²⁹ = 26693939525681 is a prime.

It is not a weakly prime, because it can be changed into another prime (26694476396597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13347238198296 + 13347238198297.

It is an arithmetic number, because the mean of its divisors is an integer number (13347238198297).

Almost surely, 2^{26694476396593} is an apocalyptic number.

It is an amenable number.

26694476396593 is a deficient number, since it is larger than the sum of its proper divisors (1).

26694476396593 is an equidigital number, since it uses as much as digits as its factorization.

26694476396593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9523422720, while the sum is 79.

The spelling of 26694476396593 in words is "twenty-six trillion, six hundred ninety-four billion, four hundred seventy-six million, three hundred ninety-six thousand, five hundred ninety-three".