493990333 has 2 divisors, whose sum is σ = 493990334. Its totient is φ = 493990332.

The previous prime is 493990331. The next prime is 493990337. The reversal of 493990333 is 333099394.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 314778564 + 179211769 = 17742^2 + 13387^2 .

It is a cyclic number.

It is not a de Polignac number, because 493990333 - 2¹ = 493990331 is a prime.

Together with 493990331, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 493990333.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493990331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246995166 + 246995167.

It is an arithmetic number, because the mean of its divisors is an integer number (246995167).

Almost surely, 2^493990333 is an apocalyptic number.

It is an amenable number.

493990333 is a deficient number, since it is larger than the sum of its proper divisors (1).

493990333 is an equidigital number, since it uses as much as digits as its factorization.

493990333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 236196, while the sum is 43.

The square root of 493990333 is about 22225.8933003828. The cubic root of 493990333 is about 790.5077828234.

The spelling of 493990333 in words is "four hundred ninety-three million, nine hundred ninety thousand, three hundred thirty-three".