199441929 has 4 divisors (see below), whose sum is σ = 265922576. Its totient is φ = 132961284.

The previous prime is 199441883. The next prime is 199441933. The reversal of 199441929 is 929144991.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 199441929 - 2¹¹ = 199439881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199441129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33240319 + ... + 33240324.

It is an arithmetic number, because the mean of its divisors is an integer number (66480644).

Almost surely, 2^199441929 is an apocalyptic number.

It is an amenable number.

199441929 is a deficient number, since it is larger than the sum of its proper divisors (66480647).

199441929 is an equidigital number, since it uses as much as digits as its factorization.

199441929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66480646.

The product of its digits is 209952, while the sum is 48.

The square root of 199441929 is about 14122.3910510933. The cubic root of 199441929 is about 584.2591044305.

The spelling of 199441929 in words is "one hundred ninety-nine million, four hundred forty-one thousand, nine hundred twenty-nine".