860935250689 has 2 divisors, whose sum is σ = 860935250690. Its totient is φ = 860935250688.

The previous prime is 860935250641. The next prime is 860935250741. The reversal of 860935250689 is 986052539068.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 843443865664 + 17491385025 = 918392^2 + 132255^2 .

It is a cyclic number.

It is not a de Polignac number, because 860935250689 - 2¹⁷ = 860935119617 is a prime.

It is not a weakly prime, because it can be changed into another prime (860935250639) 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, 430467625344 + 430467625345.

It is an arithmetic number, because the mean of its divisors is an integer number (430467625345).

Almost surely, 2^860935250689 is an apocalyptic number.

It is an amenable number.

860935250689 is a deficient number, since it is larger than the sum of its proper divisors (1).

860935250689 is an equidigital number, since it uses as much as digits as its factorization.

860935250689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27993600, while the sum is 61.

The spelling of 860935250689 in words is "eight hundred sixty billion, nine hundred thirty-five million, two hundred fifty thousand, six hundred eighty-nine".