194333963 has 2 divisors, whose sum is σ = 194333964. Its totient is φ = 194333962.

The previous prime is 194333933. The next prime is 194334001. The reversal of 194333963 is 369333491.

194333963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (369333491) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 194333963 - 2¹² = 194329867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 194333963.

It is not a weakly prime, because it can be changed into another prime (194333933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97166981 + 97166982.

It is an arithmetic number, because the mean of its divisors is an integer number (97166982).

Almost surely, 2^194333963 is an apocalyptic number.

194333963 is a deficient number, since it is larger than the sum of its proper divisors (1).

194333963 is an equidigital number, since it uses as much as digits as its factorization.

194333963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 157464, while the sum is 41.

The square root of 194333963 is about 13940.3716951880. The cubic root of 194333963 is about 579.2280286612.

The spelling of 194333963 in words is "one hundred ninety-four million, three hundred thirty-three thousand, nine hundred sixty-three".