493945003 has 2 divisors, whose sum is σ = 493945004. Its totient is φ = 493945002.

The previous prime is 493944989. The next prime is 493945019. The reversal of 493945003 is 300549394.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-493945003 is a prime.

It is not a weakly prime, because it can be changed into another prime (493945703) 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, 246972501 + 246972502.

It is an arithmetic number, because the mean of its divisors is an integer number (246972502).

Almost surely, 2^493945003 is an apocalyptic number.

493945003 is a deficient number, since it is larger than the sum of its proper divisors (1).

493945003 is an equidigital number, since it uses as much as digits as its factorization.

493945003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 493945003 is about 22224.8735204500. The cubic root of 493945003 is about 790.4836023138.

The spelling of 493945003 in words is "four hundred ninety-three million, nine hundred forty-five thousand, three".