99848856593 has 2 divisors, whose sum is σ = 99848856594. Its totient is φ = 99848856592.

The previous prime is 99848856581. The next prime is 99848856599. The reversal of 99848856593 is 39565884899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50073907984 + 49774948609 = 223772^2 + 223103^2 .

It is an emirp because it is prime and its reverse (39565884899) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99848856593 - 2¹⁰ = 99848855569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99848856593.

It is not a weakly prime, because it can be changed into another prime (99848856599) 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, 49924428296 + 49924428297.

It is an arithmetic number, because the mean of its divisors is an integer number (49924428297).

Almost surely, 2^99848856593 is an apocalyptic number.

It is an amenable number.

99848856593 is a deficient number, since it is larger than the sum of its proper divisors (1).

99848856593 is an equidigital number, since it uses as much as digits as its factorization.

99848856593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 671846400, while the sum is 74.

The spelling of 99848856593 in words is "ninety-nine billion, eight hundred forty-eight million, eight hundred fifty-six thousand, five hundred ninety-three".