193990063 has 2 divisors, whose sum is σ = 193990064. Its totient is φ = 193990062.

The previous prime is 193990061. The next prime is 193990117. The reversal of 193990063 is 360099391.

193990063 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 (360099391) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 193990063 - 2¹ = 193990061 is a prime.

Together with 193990061, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 193989998 and 193990025.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (193990061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96995031 + 96995032.

It is an arithmetic number, because the mean of its divisors is an integer number (96995032).

Almost surely, 2^193990063 is an apocalyptic number.

193990063 is a deficient number, since it is larger than the sum of its proper divisors (1).

193990063 is an equidigital number, since it uses as much as digits as its factorization.

193990063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39366, while the sum is 40.

The square root of 193990063 is about 13928.0315551050. The cubic root of 193990063 is about 578.8861530342.

The spelling of 193990063 in words is "one hundred ninety-three million, nine hundred ninety thousand, sixty-three".