26360135693 has 2 divisors, whose sum is σ = 26360135694. Its totient is φ = 26360135692.

The previous prime is 26360135653. The next prime is 26360135701. The reversal of 26360135693 is 39653106362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16158731689 + 10201404004 = 127117^2 + 101002^2 .

It is a cyclic number.

It is not a de Polignac number, because 26360135693 - 2⁶ = 26360135629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26360135653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13180067846 + 13180067847.

It is an arithmetic number, because the mean of its divisors is an integer number (13180067847).

Almost surely, 2^26360135693 is an apocalyptic number.

It is an amenable number.

26360135693 is a deficient number, since it is larger than the sum of its proper divisors (1).

26360135693 is an equidigital number, since it uses as much as digits as its factorization.

26360135693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 44.

The spelling of 26360135693 in words is "twenty-six billion, three hundred sixty million, one hundred thirty-five thousand, six hundred ninety-three".