493049993 has 2 divisors, whose sum is σ = 493049994. Its totient is φ = 493049992.

The previous prime is 493049989. The next prime is 493050013. The reversal of 493049993 is 399940394.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 437144464 + 55905529 = 20908^2 + 7477^2 .

It is a cyclic number.

It is not a de Polignac number, because 493049993 - 2² = 493049989 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (493049903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246524996 + 246524997.

It is an arithmetic number, because the mean of its divisors is an integer number (246524997).

Almost surely, 2^493049993 is an apocalyptic number.

It is an amenable number.

493049993 is a deficient number, since it is larger than the sum of its proper divisors (1).

493049993 is an equidigital number, since it uses as much as digits as its factorization.

493049993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 944784, while the sum is 50.

The square root of 493049993 is about 22204.7290683764. The cubic root of 493049993 is about 790.0058713445.

The spelling of 493049993 in words is "four hundred ninety-three million, forty-nine thousand, nine hundred ninety-three".