199044419 has 6 divisors (see below), whose sum is σ = 231541524. Its totient is φ = 170609460.

The previous prime is 199044409. The next prime is 199044431. The reversal of 199044419 is 914440991.

It is a happy number.

It is not a de Polignac number, because 199044419 - 2¹² = 199040323 is a prime.

It is a super-2 number, since 2×199044419² = 79237361470095122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199044409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2031017 + ... + 2031114.

It is an arithmetic number, because the mean of its divisors is an integer number (38590254).

Almost surely, 2^199044419 is an apocalyptic number.

199044419 is a deficient number, since it is larger than the sum of its proper divisors (32497105).

199044419 is an equidigital number, since it uses as much as digits as its factorization.

199044419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4062145 (or 4062138 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 199044419 is about 14108.3102815327. The cubic root of 199044419 is about 583.8706817484.

The spelling of 199044419 in words is "one hundred ninety-nine million, forty-four thousand, four hundred nineteen".