26280686424241 has 2 divisors, whose sum is σ = 26280686424242. Its totient is φ = 26280686424240.

The previous prime is 26280686424221. The next prime is 26280686424283. The reversal of 26280686424241 is 14242468608262.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22755571278400 + 3525115145841 = 4770280^2 + 1877529^2 .

It is a cyclic number.

It is not a de Polignac number, because 26280686424241 - 2⁹ = 26280686423729 is a prime.

It is not a weakly prime, because it can be changed into another prime (26280686424221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13140343212120 + 13140343212121.

It is an arithmetic number, because the mean of its divisors is an integer number (13140343212121).

Almost surely, 2^{26280686424241} is an apocalyptic number.

It is an amenable number.

26280686424241 is a deficient number, since it is larger than the sum of its proper divisors (1).

26280686424241 is an equidigital number, since it uses as much as digits as its factorization.

26280686424241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14155776, while the sum is 55.

The spelling of 26280686424241 in words is "twenty-six trillion, two hundred eighty billion, six hundred eighty-six million, four hundred twenty-four thousand, two hundred forty-one".