493666259 has 2 divisors, whose sum is σ = 493666260. Its totient is φ = 493666258.

The previous prime is 493666249. The next prime is 493666291. The reversal of 493666259 is 952666394.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 493666259 - 2¹² = 493662163 is a prime.

It is not a weakly prime, because it can be changed into another prime (493666249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246833129 + 246833130.

It is an arithmetic number, because the mean of its divisors is an integer number (246833130).

Almost surely, 2^493666259 is an apocalyptic number.

493666259 is a deficient number, since it is larger than the sum of its proper divisors (1).

493666259 is an equidigital number, since it uses as much as digits as its factorization.

493666259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2099520, while the sum is 50.

The square root of 493666259 is about 22218.6016436679. The cubic root of 493666259 is about 790.3348785889.

The spelling of 493666259 in words is "four hundred ninety-three million, six hundred sixty-six thousand, two hundred fifty-nine".