85593484993 has 2 divisors, whose sum is σ = 85593484994. Its totient is φ = 85593484992.

The previous prime is 85593484937. The next prime is 85593485041. The reversal of 85593484993 is 39948439558.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58647277584 + 26946207409 = 242172^2 + 164153^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85593484993 is a prime.

It is a super-3 number, since 3×85593484993³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (85593484903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42796742496 + 42796742497.

It is an arithmetic number, because the mean of its divisors is an integer number (42796742497).

Almost surely, 2^85593484993 is an apocalyptic number.

It is an amenable number.

85593484993 is a deficient number, since it is larger than the sum of its proper divisors (1).

85593484993 is an equidigital number, since it uses as much as digits as its factorization.

85593484993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 167961600, while the sum is 67.

The spelling of 85593484993 in words is "eighty-five billion, five hundred ninety-three million, four hundred eighty-four thousand, nine hundred ninety-three".