199153369 has 2 divisors, whose sum is σ = 199153370. Its totient is φ = 199153368.

The previous prime is 199153337. The next prime is 199153373. The reversal of 199153369 is 963351991.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134560000 + 64593369 = 11600^2 + 8037^2 .

It is a cyclic number.

It is not a de Polignac number, because 199153369 - 2⁵ = 199153337 is a prime.

It is a super-2 number, since 2×199153369² = 79324128768100322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (199153309) 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, 99576684 + 99576685.

It is an arithmetic number, because the mean of its divisors is an integer number (99576685).

Almost surely, 2^199153369 is an apocalyptic number.

It is an amenable number.

199153369 is a deficient number, since it is larger than the sum of its proper divisors (1).

199153369 is an equidigital number, since it uses as much as digits as its factorization.

199153369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 196830, while the sum is 46.

The square root of 199153369 is about 14112.1709527627. The cubic root of 199153369 is about 583.9771924930.

The spelling of 199153369 in words is "one hundred ninety-nine million, one hundred fifty-three thousand, three hundred sixty-nine".