199298563 has 2 divisors, whose sum is σ = 199298564. Its totient is φ = 199298562.

The previous prime is 199298513. The next prime is 199298579. The reversal of 199298563 is 365892991.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199298563 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 199298563.

It is not a weakly prime, because it can be changed into another prime (199298513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99649281 + 99649282.

It is an arithmetic number, because the mean of its divisors is an integer number (99649282).

Almost surely, 2^199298563 is an apocalyptic number.

199298563 is a deficient number, since it is larger than the sum of its proper divisors (1).

199298563 is an equidigital number, since it uses as much as digits as its factorization.

199298563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1049760, while the sum is 52.

The square root of 199298563 is about 14117.3142984068. The cubic root of 199298563 is about 584.1190754175.

The spelling of 199298563 in words is "one hundred ninety-nine million, two hundred ninety-eight thousand, five hundred sixty-three".