26462566526449 has 2 divisors, whose sum is σ = 26462566526450. Its totient is φ = 26462566526448.

The previous prime is 26462566526413. The next prime is 26462566526483. The reversal of 26462566526449 is 94462566526462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22045137800625 + 4417428725824 = 4695225^2 + 2101768^2 .

It is a cyclic number.

It is not a de Polignac number, because 26462566526449 - 2¹⁵ = 26462566493681 is a prime.

It is not a weakly prime, because it can be changed into another prime (26462566526489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13231283263224 + 13231283263225.

It is an arithmetic number, because the mean of its divisors is an integer number (13231283263225).

Almost surely, 2^{26462566526449} is an apocalyptic number.

It is an amenable number.

26462566526449 is a deficient number, since it is larger than the sum of its proper divisors (1).

26462566526449 is an equidigital number, since it uses as much as digits as its factorization.

26462566526449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 895795200, while the sum is 67.

The spelling of 26462566526449 in words is "twenty-six trillion, four hundred sixty-two billion, five hundred sixty-six million, five hundred twenty-six thousand, four hundred forty-nine".