998188000219 has 2 divisors, whose sum is σ = 998188000220. Its totient is φ = 998188000218.

The previous prime is 998188000217. The next prime is 998188000231. The reversal of 998188000219 is 912000881899.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 998188000219 - 2¹ = 998188000217 is a prime.

It is a super-2 number, since 2×998188000219² (a number of 25 digits) contains 22 as substring.

Together with 998188000217, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 998188000219.

It is not a weakly prime, because it can be changed into another prime (998188000211) 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, 499094000109 + 499094000110.

It is an arithmetic number, because the mean of its divisors is an integer number (499094000110).

Almost surely, 2^998188000219 is an apocalyptic number.

998188000219 is a deficient number, since it is larger than the sum of its proper divisors (1).

998188000219 is an equidigital number, since it uses as much as digits as its factorization.

998188000219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 55.

The spelling of 998188000219 in words is "nine hundred ninety-eight billion, one hundred eighty-eight million, two hundred nineteen", and thus it is an aban number.