26045404589 has 2 divisors, whose sum is σ = 26045404590. Its totient is φ = 26045404588.

The previous prime is 26045404559. The next prime is 26045404597. The reversal of 26045404589 is 98540454062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25999950025 + 45454564 = 161245^2 + 6742^2 .

It is a cyclic number.

It is not a de Polignac number, because 26045404589 - 2²⁸ = 25776969133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26045404559) 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, 13022702294 + 13022702295.

It is an arithmetic number, because the mean of its divisors is an integer number (13022702295).

Almost surely, 2^26045404589 is an apocalyptic number.

It is an amenable number.

26045404589 is a deficient number, since it is larger than the sum of its proper divisors (1).

26045404589 is an equidigital number, since it uses as much as digits as its factorization.

26045404589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 26045404589 in words is "twenty-six billion, forty-five million, four hundred four thousand, five hundred eighty-nine".