194329799 has 2 divisors, whose sum is σ = 194329800. Its totient is φ = 194329798.

The previous prime is 194329789. The next prime is 194329801. The reversal of 194329799 is 997923491.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 194329799 - 2⁸ = 194329543 is a prime.

It is a Sophie Germain prime.

Together with 194329801, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 194329799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194329789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97164899 + 97164900.

It is an arithmetic number, because the mean of its divisors is an integer number (97164900).

Almost surely, 2^194329799 is an apocalyptic number.

194329799 is a deficient number, since it is larger than the sum of its proper divisors (1).

194329799 is an equidigital number, since it uses as much as digits as its factorization.

194329799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1102248, while the sum is 53.

The square root of 194329799 is about 13940.2223439944. Note that the first 3 decimals coincide. The cubic root of 194329799 is about 579.2238915859.

The spelling of 194329799 in words is "one hundred ninety-four million, three hundred twenty-nine thousand, seven hundred ninety-nine".