199083193895 has 8 divisors (see below), whose sum is σ = 238905308256. Its totient is φ = 159262904736.

The previous prime is 199083193861. The next prime is 199083193901. The reversal of 199083193895 is 598391380991.

199083193895 is digitally balanced in base 2, 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 cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199083193895 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 203612 + ... + 663041.

It is an arithmetic number, because the mean of its divisors is an integer number (29863163532).

Almost surely, 2^199083193895 is an apocalyptic number.

199083193895 is a deficient number, since it is larger than the sum of its proper divisors (39822114361).

199083193895 is an equidigital number, since it uses as much as digits as its factorization.

199083193895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912601.

The product of its (nonzero) digits is 18895680, while the sum is 65.

The spelling of 199083193895 in words is "one hundred ninety-nine billion, eighty-three million, one hundred ninety-three thousand, eight hundred ninety-five".