198417289219 has 2 divisors, whose sum is σ = 198417289220. Its totient is φ = 198417289218.

The previous prime is 198417289193. The next prime is 198417289261. The reversal of 198417289219 is 912982714891.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 198417289219 - 2²⁷ = 198283071491 is a prime.

It is a super-2 number, since 2×198417289219² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (198417289319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99208644609 + 99208644610.

It is an arithmetic number, because the mean of its divisors is an integer number (99208644610).

Almost surely, 2^198417289219 is an apocalyptic number.

198417289219 is a deficient number, since it is larger than the sum of its proper divisors (1).

198417289219 is an equidigital number, since it uses as much as digits as its factorization.

198417289219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5225472, while the sum is 61.

The spelling of 198417289219 in words is "one hundred ninety-eight billion, four hundred seventeen million, two hundred eighty-nine thousand, two hundred nineteen".