494633563 has 2 divisors, whose sum is σ = 494633564. Its totient is φ = 494633562.

The previous prime is 494633543. The next prime is 494633611. The reversal of 494633563 is 365336494.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-494633563 is a prime.

It is not a weakly prime, because it can be changed into another prime (494633533) 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, 247316781 + 247316782.

It is an arithmetic number, because the mean of its divisors is an integer number (247316782).

Almost surely, 2^494633563 is an apocalyptic number.

494633563 is a deficient number, since it is larger than the sum of its proper divisors (1).

494633563 is an equidigital number, since it uses as much as digits as its factorization.

494633563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 43.

The square root of 494633563 is about 22240.3588775002. The cubic root of 494633563 is about 790.8507435039.

The spelling of 494633563 in words is "four hundred ninety-four million, six hundred thirty-three thousand, five hundred sixty-three".