195953933 has 4 divisors (see below), whose sum is σ = 223947360. Its totient is φ = 167960508.

The previous prime is 195953929. The next prime is 195953939. The reversal of 195953933 is 339359591.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 195953933 - 2² = 195953929 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195953939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13996703 + ... + 13996716.

It is an arithmetic number, because the mean of its divisors is an integer number (55986840).

Almost surely, 2^195953933 is an apocalyptic number.

It is an amenable number.

195953933 is a deficient number, since it is larger than the sum of its proper divisors (27993427).

195953933 is an equidigital number, since it uses as much as digits as its factorization.

195953933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27993426.

The product of its digits is 492075, while the sum is 47.

The square root of 195953933 is about 13998.3546533155. The cubic root of 195953933 is about 580.8330607204.

The spelling of 195953933 in words is "one hundred ninety-five million, nine hundred fifty-three thousand, nine hundred thirty-three".