26206922649599 has 2 divisors, whose sum is σ = 26206922649600. Its totient is φ = 26206922649598.

The previous prime is 26206922649541. The next prime is 26206922649613. The reversal of 26206922649599 is 99594622960262.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26206922649599 - 2²⁰ = 26206921601023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26206922649529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13103461324799 + 13103461324800.

It is an arithmetic number, because the mean of its divisors is an integer number (13103461324800).

Almost surely, 2^{26206922649599} is an apocalyptic number.

26206922649599 is a deficient number, since it is larger than the sum of its proper divisors (1).

26206922649599 is an equidigital number, since it uses as much as digits as its factorization.

26206922649599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453496320, while the sum is 71.

The spelling of 26206922649599 in words is "twenty-six trillion, two hundred six billion, nine hundred twenty-two million, six hundred forty-nine thousand, five hundred ninety-nine".