26444426071699 has 2 divisors, whose sum is σ = 26444426071700. Its totient is φ = 26444426071698.

The previous prime is 26444426071667. The next prime is 26444426071727. The reversal of 26444426071699 is 99617062444462.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26444426071699 - 2⁵ = 26444426071667 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26444426071699.

It is not a weakly prime, because it can be changed into another prime (26444426071619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13222213035849 + 13222213035850.

It is an arithmetic number, because the mean of its divisors is an integer number (13222213035850).

Almost surely, 2^{26444426071699} is an apocalyptic number.

26444426071699 is a deficient number, since it is larger than the sum of its proper divisors (1).

26444426071699 is an equidigital number, since it uses as much as digits as its factorization.

26444426071699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 125411328, while the sum is 64.

The spelling of 26444426071699 in words is "twenty-six trillion, four hundred forty-four billion, four hundred twenty-six million, seventy-one thousand, six hundred ninety-nine".