26368388386369 has 2 divisors, whose sum is σ = 26368388386370. Its totient is φ = 26368388386368.

The previous prime is 26368388386309. The next prime is 26368388386411. The reversal of 26368388386369 is 96368388386362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24573712867344 + 1794675519025 = 4957188^2 + 1339655^2 .

It is a cyclic number.

It is not a de Polignac number, because 26368388386369 - 2¹¹ = 26368388384321 is a prime.

It is a super-2 number, since 2×26368388386369² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26368388386309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13184194193184 + 13184194193185.

It is an arithmetic number, because the mean of its divisors is an integer number (13184194193185).

Almost surely, 2^{26368388386369} is an apocalyptic number.

It is an amenable number.

26368388386369 is a deficient number, since it is larger than the sum of its proper divisors (1).

26368388386369 is an equidigital number, since it uses as much as digits as its factorization.

26368388386369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7739670528, while the sum is 79.

The spelling of 26368388386369 in words is "twenty-six trillion, three hundred sixty-eight billion, three hundred eighty-eight million, three hundred eighty-six thousand, three hundred sixty-nine".