199182043 has 2 divisors, whose sum is σ = 199182044. Its totient is φ = 199182042.

The previous prime is 199182029. The next prime is 199182077. The reversal of 199182043 is 340281991.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199182043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 199181993 and 199182011.

It is not a weakly prime, because it can be changed into another prime (199182143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99591021 + 99591022.

It is an arithmetic number, because the mean of its divisors is an integer number (99591022).

Almost surely, 2^199182043 is an apocalyptic number.

199182043 is a deficient number, since it is larger than the sum of its proper divisors (1).

199182043 is an equidigital number, since it uses as much as digits as its factorization.

199182043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 199182043 is about 14113.1868477676. The cubic root of 199182043 is about 584.0052180603.

The spelling of 199182043 in words is "one hundred ninety-nine million, one hundred eighty-two thousand, forty-three".