199040341 has 2 divisors, whose sum is σ = 199040342. Its totient is φ = 199040340.

The previous prime is 199040339. The next prime is 199040357. The reversal of 199040341 is 143040991.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106688241 + 92352100 = 10329^2 + 9610^2 .

It is an emirp because it is prime and its reverse (143040991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 199040341 - 2¹ = 199040339 is a prime.

Together with 199040339, it forms a pair of twin primes.

It is equal to p_11028676 and since 199040341 and 11028676 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199040381) 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, 99520170 + 99520171.

It is an arithmetic number, because the mean of its divisors is an integer number (99520171).

Almost surely, 2^199040341 is an apocalyptic number.

It is an amenable number.

199040341 is a deficient number, since it is larger than the sum of its proper divisors (1).

199040341 is an equidigital number, since it uses as much as digits as its factorization.

199040341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 199040341 is about 14108.1657560436. The cubic root of 199040341 is about 583.8666942952.

The spelling of 199040341 in words is "one hundred ninety-nine million, forty thousand, three hundred forty-one".