199770563 has 2 divisors, whose sum is σ = 199770564. Its totient is φ = 199770562.

The previous prime is 199770533. The next prime is 199770601. The reversal of 199770563 is 365077991.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (365077991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 199770563 - 2¹⁰ = 199769539 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (199770533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99885281 + 99885282.

It is an arithmetic number, because the mean of its divisors is an integer number (99885282).

Almost surely, 2^199770563 is an apocalyptic number.

199770563 is a deficient number, since it is larger than the sum of its proper divisors (1).

199770563 is an equidigital number, since it uses as much as digits as its factorization.

199770563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 357210, while the sum is 47.

The square root of 199770563 is about 14134.0214730274. The cubic root of 199770563 is about 584.5798361220.

The spelling of 199770563 in words is "one hundred ninety-nine million, seven hundred seventy thousand, five hundred sixty-three".