198060719 has 2 divisors, whose sum is σ = 198060720. Its totient is φ = 198060718.

The previous prime is 198060703. The next prime is 198060721. The reversal of 198060719 is 917060891.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 198060719 - 2⁴ = 198060703 is a prime.

It is a super-2 number, since 2×198060719² = 78456096821593922, which contains 22 as substring.

Together with 198060721, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198060799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99030359 + 99030360.

It is an arithmetic number, because the mean of its divisors is an integer number (99030360).

Almost surely, 2^198060719 is an apocalyptic number.

198060719 is a deficient number, since it is larger than the sum of its proper divisors (1).

198060719 is an equidigital number, since it uses as much as digits as its factorization.

198060719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 198060719 is about 14073.4046698018. The cubic root of 198060719 is about 582.9072412386.

The spelling of 198060719 in words is "one hundred ninety-eight million, sixty thousand, seven hundred nineteen".