26242532443481 has 2 divisors, whose sum is σ = 26242532443482. Its totient is φ = 26242532443480.

The previous prime is 26242532443427. The next prime is 26242532443483. The reversal of 26242532443481 is 18434423524262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13709098656400 + 12533433787081 = 3702580^2 + 3540259^2 .

It is a cyclic number.

It is not a de Polignac number, because 26242532443481 - 2³⁴ = 26225352574297 is a prime.

It is a super-2 number, since 2×26242532443481² (a number of 28 digits) contains 22 as substring.

Together with 26242532443483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26242532443483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13121266221740 + 13121266221741.

It is an arithmetic number, because the mean of its divisors is an integer number (13121266221741).

Almost surely, 2^{26242532443481} is an apocalyptic number.

It is an amenable number.

26242532443481 is a deficient number, since it is larger than the sum of its proper divisors (1).

26242532443481 is an equidigital number, since it uses as much as digits as its factorization.

26242532443481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8847360, while the sum is 50.

The spelling of 26242532443481 in words is "twenty-six trillion, two hundred forty-two billion, five hundred thirty-two million, four hundred forty-three thousand, four hundred eighty-one".