493474903 has 2 divisors, whose sum is σ = 493474904. Its totient is φ = 493474902.

The previous prime is 493474889. The next prime is 493474907. The reversal of 493474903 is 309474394.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 493474903 - 2⁵ = 493474871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 493474903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493474907) 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, 246737451 + 246737452.

It is an arithmetic number, because the mean of its divisors is an integer number (246737452).

Almost surely, 2^493474903 is an apocalyptic number.

493474903 is a deficient number, since it is larger than the sum of its proper divisors (1).

493474903 is an equidigital number, since it uses as much as digits as its factorization.

493474903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 43.

The square root of 493474903 is about 22214.2950146972. The cubic root of 493474903 is about 790.2327482777.

The spelling of 493474903 in words is "four hundred ninety-three million, four hundred seventy-four thousand, nine hundred three".