85243363039 has 2 divisors, whose sum is σ = 85243363040. Its totient is φ = 85243363038.

The previous prime is 85243363027. The next prime is 85243363043. The reversal of 85243363039 is 93036334258.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85243363039 - 2¹¹ = 85243360991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85243363039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85243364039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42621681519 + 42621681520.

It is an arithmetic number, because the mean of its divisors is an integer number (42621681520).

Almost surely, 2^85243363039 is an apocalyptic number.

85243363039 is a deficient number, since it is larger than the sum of its proper divisors (1).

85243363039 is an equidigital number, since it uses as much as digits as its factorization.

85243363039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1399680, while the sum is 46.

The spelling of 85243363039 in words is "eighty-five billion, two hundred forty-three million, three hundred sixty-three thousand, thirty-nine".