28065241241 has 2 divisors, whose sum is σ = 28065241242. Its totient is φ = 28065241240.

The previous prime is 28065241229. The next prime is 28065241261. The reversal of 28065241241 is 14214256082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27350213641 + 715027600 = 165379^2 + 26740^2 .

It is a cyclic number.

It is not a de Polignac number, because 28065241241 - 2²⁶ = 27998132377 is a prime.

It is not a weakly prime, because it can be changed into another prime (28065241201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14032620620 + 14032620621.

It is an arithmetic number, because the mean of its divisors is an integer number (14032620621).

Almost surely, 2^28065241241 is an apocalyptic number.

It is an amenable number.

28065241241 is a deficient number, since it is larger than the sum of its proper divisors (1).

28065241241 is an equidigital number, since it uses as much as digits as its factorization.

28065241241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30720, while the sum is 35.

The spelling of 28065241241 in words is "twenty-eight billion, sixty-five million, two hundred forty-one thousand, two hundred forty-one".