99001898549833 has 2 divisors, whose sum is σ = 99001898549834. Its totient is φ = 99001898549832.

The previous prime is 99001898549777. The next prime is 99001898549867. The reversal of 99001898549833 is 33894589810099.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53752167938569 + 45249730611264 = 7331587^2 + 6726792^2 .

It is an emirp because it is prime and its reverse (33894589810099) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99001898549833 - 2⁹ = 99001898549321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99001898549833.

It is not a weakly prime, because it can be changed into another prime (99001898549233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49500949274916 + 49500949274917.

It is an arithmetic number, because the mean of its divisors is an integer number (49500949274917).

Almost surely, 2^{99001898549833} is an apocalyptic number.

It is an amenable number.

99001898549833 is a deficient number, since it is larger than the sum of its proper divisors (1).

99001898549833 is an equidigital number, since it uses as much as digits as its factorization.

99001898549833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604661760, while the sum is 76.

The spelling of 99001898549833 in words is "ninety-nine trillion, one billion, eight hundred ninety-eight million, five hundred forty-nine thousand, eight hundred thirty-three".