26263319567893 has 2 divisors, whose sum is σ = 26263319567894. Its totient is φ = 26263319567892.

The previous prime is 26263319567813. The next prime is 26263319567917. The reversal of 26263319567893 is 39876591336262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22095095093764 + 4168224474129 = 4700542^2 + 2041623^2 .

It is a cyclic number.

It is not a de Polignac number, because 26263319567893 - 2²⁹ = 26262782696981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26263319567813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13131659783946 + 13131659783947.

It is an arithmetic number, because the mean of its divisors is an integer number (13131659783947).

Almost surely, 2^{26263319567893} is an apocalyptic number.

It is an amenable number.

26263319567893 is a deficient number, since it is larger than the sum of its proper divisors (1).

26263319567893 is an equidigital number, since it uses as much as digits as its factorization.

26263319567893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 529079040, while the sum is 70.

The spelling of 26263319567893 in words is "twenty-six trillion, two hundred sixty-three billion, three hundred nineteen million, five hundred sixty-seven thousand, eight hundred ninety-three".