26445145883839 has 2 divisors, whose sum is σ = 26445145883840. Its totient is φ = 26445145883838.

The previous prime is 26445145883773. The next prime is 26445145883843. The reversal of 26445145883839 is 93838854154462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26445145883839 - 2¹³ = 26445145875647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26445145883239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13222572941919 + 13222572941920.

It is an arithmetic number, because the mean of its divisors is an integer number (13222572941920).

Almost surely, 2^{26445145883839} is an apocalyptic number.

26445145883839 is a deficient number, since it is larger than the sum of its proper divisors (1).

26445145883839 is an equidigital number, since it uses as much as digits as its factorization.

26445145883839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 796262400, while the sum is 70.

The spelling of 26445145883839 in words is "twenty-six trillion, four hundred forty-five billion, one hundred forty-five million, eight hundred eighty-three thousand, eight hundred thirty-nine".