85244520812063 has 2 divisors, whose sum is σ = 85244520812064. Its totient is φ = 85244520812062.

The previous prime is 85244520812021. The next prime is 85244520812147. The reversal of 85244520812063 is 36021802544258.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85244520812063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85244520818063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42622260406031 + 42622260406032.

It is an arithmetic number, because the mean of its divisors is an integer number (42622260406032).

Almost surely, 2^{85244520812063} is an apocalyptic number.

85244520812063 is a deficient number, since it is larger than the sum of its proper divisors (1).

85244520812063 is an equidigital number, since it uses as much as digits as its factorization.

85244520812063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3686400, while the sum is 50.

The spelling of 85244520812063 in words is "eighty-five trillion, two hundred forty-four billion, five hundred twenty million, eight hundred twelve thousand, sixty-three".