68193199 has 2 divisors, whose sum is σ = 68193200. Its totient is φ = 68193198.

The previous prime is 68193197. The next prime is 68193217. The reversal of 68193199 is 99139186.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68193199 - 2¹ = 68193197 is a prime.

Together with 68193197, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68193197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34096599 + 34096600.

It is an arithmetic number, because the mean of its divisors is an integer number (34096600).

Almost surely, 2^68193199 is an apocalyptic number.

68193199 is a deficient number, since it is larger than the sum of its proper divisors (1).

68193199 is an equidigital number, since it uses as much as digits as its factorization.

68193199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 46.

The square root of 68193199 is about 8257.9173524564. The cubic root of 68193199 is about 408.5516994274.

The spelling of 68193199 in words is "sixty-eight million, one hundred ninety-three thousand, one hundred ninety-nine".