26144730281 has 2 divisors, whose sum is σ = 26144730282. Its totient is φ = 26144730280.

The previous prime is 26144730233. The next prime is 26144730301. The reversal of 26144730281 is 18203744162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19467225625 + 6677504656 = 139525^2 + 81716^2 .

It is a cyclic number.

It is not a de Polignac number, because 26144730281 - 2⁶ = 26144730217 is a prime.

It is a super-2 number, since 2×26144730281² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26144730481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13072365140 + 13072365141.

It is an arithmetic number, because the mean of its divisors is an integer number (13072365141).

Almost surely, 2^26144730281 is an apocalyptic number.

It is an amenable number.

26144730281 is a deficient number, since it is larger than the sum of its proper divisors (1).

26144730281 is an equidigital number, since it uses as much as digits as its factorization.

26144730281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 26144730281 in words is "twenty-six billion, one hundred forty-four million, seven hundred thirty thousand, two hundred eighty-one".