199095673 has 6 divisors (see below), whose sum is σ = 231601146. Its totient is φ = 170653392.

The previous prime is 199095647. The next prime is 199095683. The reversal of 199095673 is 376590991.

It can be written as a sum of positive squares in only one way, i.e., 176703849 + 22391824 = 13293^2 + 4732^2 .

It is not a de Polignac number, because 199095673 - 2⁵ = 199095641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 4063177 = 199095673 / (1 + 9 + 9 + 0 + 9 + 5 + 6 + 7 + 3).

It is not an unprimeable number, because it can be changed into a prime (199095683) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2031540 + ... + 2031637.

It is an arithmetic number, because the mean of its divisors is an integer number (38600191).

Almost surely, 2^199095673 is an apocalyptic number.

It is an amenable number.

199095673 is a deficient number, since it is larger than the sum of its proper divisors (32505473).

199095673 is an equidigital number, since it uses as much as digits as its factorization.

199095673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4063191 (or 4063184 counting only the distinct ones).

The product of its (nonzero) digits is 459270, while the sum is 49.

The square root of 199095673 is about 14110.1266117636. The cubic root of 199095673 is about 583.9207930749.

The spelling of 199095673 in words is "one hundred ninety-nine million, ninety-five thousand, six hundred seventy-three".