199529219 has 2 divisors, whose sum is σ = 199529220. Its totient is φ = 199529218.

The previous prime is 199529201. The next prime is 199529227. The reversal of 199529219 is 912925991.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 199529219 - 2²⁰ = 198480643 is a prime.

It is a super-2 number, since 2×199529219² = 79623818469499922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (199529249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99764609 + 99764610.

It is an arithmetic number, because the mean of its divisors is an integer number (99764610).

Almost surely, 2^199529219 is an apocalyptic number.

199529219 is a deficient number, since it is larger than the sum of its proper divisors (1).

199529219 is an equidigital number, since it uses as much as digits as its factorization.

199529219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 131220, while the sum is 47.

The square root of 199529219 is about 14125.4811953434. The cubic root of 199529219 is about 584.3443298039.

The spelling of 199529219 in words is "one hundred ninety-nine million, five hundred twenty-nine thousand, two hundred nineteen".