26266628228441 has 2 divisors, whose sum is σ = 26266628228442. Its totient is φ = 26266628228440.

The previous prime is 26266628228293. The next prime is 26266628228569. The reversal of 26266628228441 is 14482282666262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19975581054025 + 6291047174416 = 4469405^2 + 2508196^2 .

It is a cyclic number.

It is not a de Polignac number, because 26266628228441 - 2¹⁰ = 26266628227417 is a prime.

It is a super-2 number, since 2×26266628228441² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26266628228041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13133314114220 + 13133314114221.

It is an arithmetic number, because the mean of its divisors is an integer number (13133314114221).

Almost surely, 2^{26266628228441} is an apocalyptic number.

It is an amenable number.

26266628228441 is a deficient number, since it is larger than the sum of its proper divisors (1).

26266628228441 is an equidigital number, since it uses as much as digits as its factorization.

26266628228441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42467328, while the sum is 59.

The spelling of 26266628228441 in words is "twenty-six trillion, two hundred sixty-six billion, six hundred twenty-eight million, two hundred twenty-eight thousand, four hundred forty-one".