199083193838 has 8 divisors (see below), whose sum is σ = 298676180088. Its totient is φ = 99524467144.

The previous prime is 199083193787. The next prime is 199083193849. The reversal of 199083193838 is 838391380991.

It is a happy number.

199083193838 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8550356 + ... + 8573607.

It is an arithmetic number, because the mean of its divisors is an integer number (37334522511).

Almost surely, 2^199083193838 is an apocalyptic number.

199083193838 is a deficient number, since it is larger than the sum of its proper divisors (99592986250).

199083193838 is a wasteful number, since it uses less digits than its factorization.

199083193838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17129778.

The product of its (nonzero) digits is 10077696, while the sum is 62.

The spelling of 199083193838 in words is "one hundred ninety-nine billion, eighty-three million, one hundred ninety-three thousand, eight hundred thirty-eight".