199052919 has 12 divisors (see below), whose sum is σ = 309638056. Its totient is φ = 122494032.

The previous prime is 199052869. The next prime is 199052923. The reversal of 199052919 is 919250991.

It is not a de Polignac number, because 199052919 - 2⁹ = 199052407 is a prime.

It is a super-2 number, since 2×199052919² = 79244129124841122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199052939) 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 in 11 ways as a sum of consecutive naturals, for example, 850537 + ... + 850770.

Almost surely, 2^199052919 is an apocalyptic number.

199052919 is a deficient number, since it is larger than the sum of its proper divisors (110585137).

199052919 is a wasteful number, since it uses less digits than its factorization.

199052919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701326 (or 1701323 counting only the distinct ones).

The product of its (nonzero) digits is 65610, while the sum is 45.

The square root of 199052919 is about 14108.6115192105. The cubic root of 199052919 is about 583.8789928416.

The spelling of 199052919 in words is "one hundred ninety-nine million, fifty-two thousand, nine hundred nineteen".