194198063 has 2 divisors, whose sum is σ = 194198064. Its totient is φ = 194198062.

The previous prime is 194198051. The next prime is 194198077. The reversal of 194198063 is 360891491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 194198063 - 2²⁰ = 193149487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 194198063.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194198003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97099031 + 97099032.

It is an arithmetic number, because the mean of its divisors is an integer number (97099032).

Almost surely, 2^194198063 is an apocalyptic number.

194198063 is a deficient number, since it is larger than the sum of its proper divisors (1).

194198063 is an equidigital number, since it uses as much as digits as its factorization.

194198063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 194198063 is about 13935.4965107096. The cubic root of 194198063 is about 579.0929768767.

The spelling of 194198063 in words is "one hundred ninety-four million, one hundred ninety-eight thousand, sixty-three".