193929101 has 2 divisors, whose sum is σ = 193929102. Its totient is φ = 193929100.

The previous prime is 193929089. The next prime is 193929103. The reversal of 193929101 is 101929391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129367876 + 64561225 = 11374^2 + 8035^2 .

It is an emirp because it is prime and its reverse (101929391) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 193929101 - 2⁶ = 193929037 is a prime.

Together with 193929103, 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 (193929103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96964550 + 96964551.

It is an arithmetic number, because the mean of its divisors is an integer number (96964551).

Almost surely, 2^193929101 is an apocalyptic number.

It is an amenable number.

193929101 is a deficient number, since it is larger than the sum of its proper divisors (1).

193929101 is an equidigital number, since it uses as much as digits as its factorization.

193929101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 35.

The square root of 193929101 is about 13925.8429188326. The cubic root of 193929101 is about 578.8255077371.

The spelling of 193929101 in words is "one hundred ninety-three million, nine hundred twenty-nine thousand, one hundred one".