26544089701 has 2 divisors, whose sum is σ = 26544089702. Its totient is φ = 26544089700.

The previous prime is 26544089699. The next prime is 26544089771. The reversal of 26544089701 is 10798044562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26397800676 + 146289025 = 162474^2 + 12095^2 .

It is a cyclic number.

It is not a de Polignac number, because 26544089701 - 2¹ = 26544089699 is a prime.

Together with 26544089699, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26544089771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13272044850 + 13272044851.

It is an arithmetic number, because the mean of its divisors is an integer number (13272044851).

Almost surely, 2^26544089701 is an apocalyptic number.

It is an amenable number.

26544089701 is a deficient number, since it is larger than the sum of its proper divisors (1).

26544089701 is an equidigital number, since it uses as much as digits as its factorization.

26544089701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 26544089701 in words is "twenty-six billion, five hundred forty-four million, eighty-nine thousand, seven hundred one".