26686982159 has 2 divisors, whose sum is σ = 26686982160. Its totient is φ = 26686982158.

The previous prime is 26686982117. The next prime is 26686982207. The reversal of 26686982159 is 95128968662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26686982159 - 2¹⁶ = 26686916623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26686972159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13343491079 + 13343491080.

It is an arithmetic number, because the mean of its divisors is an integer number (13343491080).

Almost surely, 2^26686982159 is an apocalyptic number.

26686982159 is a deficient number, since it is larger than the sum of its proper divisors (1).

26686982159 is an equidigital number, since it uses as much as digits as its factorization.

26686982159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22394880, while the sum is 62.

The spelling of 26686982159 in words is "twenty-six billion, six hundred eighty-six million, nine hundred eighty-two thousand, one hundred fifty-nine".