26360135897 has 2 divisors, whose sum is σ = 26360135898. Its totient is φ = 26360135896.

The previous prime is 26360135873. The next prime is 26360135899. The reversal of 26360135897 is 79853106362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20067838921 + 6292296976 = 141661^2 + 79324^2 .

It is a cyclic number.

It is not a de Polignac number, because 26360135897 - 2⁶ = 26360135833 is a prime.

Together with 26360135899, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26360135899) 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, 13180067948 + 13180067949.

It is an arithmetic number, because the mean of its divisors is an integer number (13180067949).

Almost surely, 2^26360135897 is an apocalyptic number.

It is an amenable number.

26360135897 is a deficient number, since it is larger than the sum of its proper divisors (1).

26360135897 is an equidigital number, since it uses as much as digits as its factorization.

26360135897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 26360135897 in words is "twenty-six billion, three hundred sixty million, one hundred thirty-five thousand, eight hundred ninety-seven".