26386146679 has 2 divisors, whose sum is σ = 26386146680. Its totient is φ = 26386146678.

The previous prime is 26386146671. The next prime is 26386146701. The reversal of 26386146679 is 97664168362.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26386146679 - 2³ = 26386146671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26386146671) 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, 13193073339 + 13193073340.

It is an arithmetic number, because the mean of its divisors is an integer number (13193073340).

Almost surely, 2^26386146679 is an apocalyptic number.

26386146679 is a deficient number, since it is larger than the sum of its proper divisors (1).

26386146679 is an equidigital number, since it uses as much as digits as its factorization.

26386146679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15676416, while the sum is 58.

The spelling of 26386146679 in words is "twenty-six billion, three hundred eighty-six million, one hundred forty-six thousand, six hundred seventy-nine".