195419973 has 16 divisors (see below), whose sum is σ = 298949760. Its totient is φ = 111230976.

The previous prime is 195419969. The next prime is 195419989. The reversal of 195419973 is 379914591.

It is not a de Polignac number, because 195419973 - 2² = 195419969 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195419953) 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 15 ways as a sum of consecutive naturals, for example, 12708 + ... + 23501.

It is an arithmetic number, because the mean of its divisors is an integer number (18684360).

Almost surely, 2^195419973 is an apocalyptic number.

It is an amenable number.

195419973 is a deficient number, since it is larger than the sum of its proper divisors (103529787).

195419973 is a wasteful number, since it uses less digits than its factorization.

195419973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36476.

The product of its digits is 306180, while the sum is 48.

The square root of 195419973 is about 13979.2694015102. The cubic root of 195419973 is about 580.3050050562.

The spelling of 195419973 in words is "one hundred ninety-five million, four hundred nineteen thousand, nine hundred seventy-three".