199389067 has 2 divisors, whose sum is σ = 199389068. Its totient is φ = 199389066.

The previous prime is 199389023. The next prime is 199389079. The reversal of 199389067 is 760983991.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 199389067 - 2⁷ = 199388939 is a prime.

It is not a weakly prime, because it can be changed into another prime (199389167) 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, 99694533 + 99694534.

It is an arithmetic number, because the mean of its divisors is an integer number (99694534).

Almost surely, 2^199389067 is an apocalyptic number.

199389067 is a deficient number, since it is larger than the sum of its proper divisors (1).

199389067 is an equidigital number, since it uses as much as digits as its factorization.

199389067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 52.

The square root of 199389067 is about 14120.5193601369. The cubic root of 199389067 is about 584.2074806587.

The spelling of 199389067 in words is "one hundred ninety-nine million, three hundred eighty-nine thousand, sixty-seven".