194648063 has 2 divisors, whose sum is σ = 194648064. Its totient is φ = 194648062.

The previous prime is 194647997. The next prime is 194648071. The reversal of 194648063 is 360846491.

It is a strong prime.

It is an emirp because it is prime and its reverse (360846491) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-194648063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 194648063.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194618063) 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, 97324031 + 97324032.

It is an arithmetic number, because the mean of its divisors is an integer number (97324032).

Almost surely, 2^194648063 is an apocalyptic number.

194648063 is a deficient number, since it is larger than the sum of its proper divisors (1).

194648063 is an equidigital number, since it uses as much as digits as its factorization.

194648063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 194648063 is about 13951.6329868586. The cubic root of 194648063 is about 579.5399274646.

The spelling of 194648063 in words is "one hundred ninety-four million, six hundred forty-eight thousand, sixty-three".