26424026281 has 2 divisors, whose sum is σ = 26424026282. Its totient is φ = 26424026280.

The previous prime is 26424026203. The next prime is 26424026287. The reversal of 26424026281 is 18262042462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25787221056 + 636805225 = 160584^2 + 25235^2 .

It is a cyclic number.

It is not a de Polignac number, because 26424026281 - 2²³ = 26415637673 is a prime.

It is a super-2 number, since 2×26424026281² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26424026281.

It is not a weakly prime, because it can be changed into another prime (26424026287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13212013140 + 13212013141.

It is an arithmetic number, because the mean of its divisors is an integer number (13212013141).

Almost surely, 2^26424026281 is an apocalyptic number.

It is an amenable number.

26424026281 is a deficient number, since it is larger than the sum of its proper divisors (1).

26424026281 is an equidigital number, since it uses as much as digits as its factorization.

26424026281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73728, while the sum is 37.

It can be divided in two parts, 264240 and 26281, that added together give a square (290521 = 539²).

The spelling of 26424026281 in words is "twenty-six billion, four hundred twenty-four million, twenty-six thousand, two hundred eighty-one".