493563163 has 2 divisors, whose sum is σ = 493563164. Its totient is φ = 493563162.

The previous prime is 493563113. The next prime is 493563197. The reversal of 493563163 is 361365394.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 493563163 - 2²¹ = 491466011 is a prime.

It is not a weakly prime, because it can be changed into another prime (493563113) 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, 246781581 + 246781582.

It is an arithmetic number, because the mean of its divisors is an integer number (246781582).

Almost surely, 2^493563163 is an apocalyptic number.

493563163 is a deficient number, since it is larger than the sum of its proper divisors (1).

493563163 is an equidigital number, since it uses as much as digits as its factorization.

493563163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 40.

The square root of 493563163 is about 22216.2814845329. The cubic root of 493563163 is about 790.2798575864.

The spelling of 493563163 in words is "four hundred ninety-three million, five hundred sixty-three thousand, one hundred sixty-three".