26389161413 has 2 divisors, whose sum is σ = 26389161414. Its totient is φ = 26389161412.

The previous prime is 26389161397. The next prime is 26389161433. The reversal of 26389161413 is 31416198362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24396253249 + 1992908164 = 156193^2 + 44642^2 .

It is a cyclic number.

It is not a de Polignac number, because 26389161413 - 2⁴ = 26389161397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26389161433) 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, 13194580706 + 13194580707.

It is an arithmetic number, because the mean of its divisors is an integer number (13194580707).

Almost surely, 2^26389161413 is an apocalyptic number.

It is an amenable number.

26389161413 is a deficient number, since it is larger than the sum of its proper divisors (1).

26389161413 is an equidigital number, since it uses as much as digits as its factorization.

26389161413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 44.

The spelling of 26389161413 in words is "twenty-six billion, three hundred eighty-nine million, one hundred sixty-one thousand, four hundred thirteen".