199493095 has 8 divisors (see below), whose sum is σ = 239524560. Its totient is φ = 159505920.

The previous prime is 199493083. The next prime is 199493111. The reversal of 199493095 is 590394991.

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

It is a de Polignac number, because none of the positive numbers 2^k-199493095 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186 + ... + 19975.

It is an arithmetic number, because the mean of its divisors is an integer number (29940570).

Almost surely, 2^199493095 is an apocalyptic number.

199493095 is a deficient number, since it is larger than the sum of its proper divisors (40031465).

199493095 is a wasteful number, since it uses less digits than its factorization.

199493095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22145.

The product of its (nonzero) digits is 393660, while the sum is 49.

The square root of 199493095 is about 14124.2024553601. The cubic root of 199493095 is about 584.3090632421.

The spelling of 199493095 in words is "one hundred ninety-nine million, four hundred ninety-three thousand, ninety-five".