196065943 has 2 divisors, whose sum is σ = 196065944. Its totient is φ = 196065942.

The previous prime is 196065929. The next prime is 196065973. The reversal of 196065943 is 349560691.

It is a weak prime.

It is an emirp because it is prime and its reverse (349560691) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196065943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 196065943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196065973) by changing a digit.

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 as a sum of consecutive naturals, namely, 98032971 + 98032972.

It is an arithmetic number, because the mean of its divisors is an integer number (98032972).

Almost surely, 2^196065943 is an apocalyptic number.

196065943 is a deficient number, since it is larger than the sum of its proper divisors (1).

196065943 is an equidigital number, since it uses as much as digits as its factorization.

196065943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 196065943 is about 14002.3549090858. The cubic root of 196065943 is about 580.9437103985.

The spelling of 196065943 in words is "one hundred ninety-six million, sixty-five thousand, nine hundred forty-three".