26395566138379 has 2 divisors, whose sum is σ = 26395566138380. Its totient is φ = 26395566138378.

The previous prime is 26395566138367. The next prime is 26395566138401. The reversal of 26395566138379 is 97383166559362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26395566138379 - 2¹⁵ = 26395566105611 is a prime.

It is not a weakly prime, because it can be changed into another prime (26395566130379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13197783069189 + 13197783069190.

It is an arithmetic number, because the mean of its divisors is an integer number (13197783069190).

Almost surely, 2^{26395566138379} is an apocalyptic number.

26395566138379 is a deficient number, since it is larger than the sum of its proper divisors (1).

26395566138379 is an equidigital number, since it uses as much as digits as its factorization.

26395566138379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1322697600, while the sum is 73.

The spelling of 26395566138379 in words is "twenty-six trillion, three hundred ninety-five billion, five hundred sixty-six million, one hundred thirty-eight thousand, three hundred seventy-nine".