26244464660591 has 2 divisors, whose sum is σ = 26244464660592. Its totient is φ = 26244464660590.

The previous prime is 26244464660363. The next prime is 26244464660627. The reversal of 26244464660591 is 19506646444262.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26244464660591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26244464660591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26244464960591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13122232330295 + 13122232330296.

It is an arithmetic number, because the mean of its divisors is an integer number (13122232330296).

Almost surely, 2^{26244464660591} is an apocalyptic number.

26244464660591 is a deficient number, since it is larger than the sum of its proper divisors (1).

26244464660591 is an equidigital number, since it uses as much as digits as its factorization.

26244464660591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 59719680, while the sum is 59.

The spelling of 26244464660591 in words is "twenty-six trillion, two hundred forty-four billion, four hundred sixty-four million, six hundred sixty thousand, five hundred ninety-one".