199412063 has 4 divisors (see below), whose sum is σ = 199875168. Its totient is φ = 198948960.

The previous prime is 199412053. The next prime is 199412071. The reversal of 199412063 is 360214991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 360214991 = 157 ⋅2294363.

It is a cyclic number.

It is not a de Polignac number, because 199412063 - 2¹⁰ = 199411039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199412053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230906 + ... + 231767.

It is an arithmetic number, because the mean of its divisors is an integer number (49968792).

Almost surely, 2^199412063 is an apocalyptic number.

199412063 is a deficient number, since it is larger than the sum of its proper divisors (463105).

199412063 is an equidigital number, since it uses as much as digits as its factorization.

199412063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463104.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 199412063 is about 14121.3336126585. Note that the first 3 decimals coincide. The cubic root of 199412063 is about 584.2299391264.

The spelling of 199412063 in words is "one hundred ninety-nine million, four hundred twelve thousand, sixty-three".