493713309 has 16 divisors (see below), whose sum is σ = 693409280. Its totient is φ = 311603760.

The previous prime is 493713293. The next prime is 493713317. The reversal of 493713309 is 903317394.

It is not a de Polignac number, because 493713309 - 2⁴ = 493713293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493713359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138864 + ... + 142374.

It is an arithmetic number, because the mean of its divisors is an integer number (43338080).

Almost surely, 2^493713309 is an apocalyptic number.

It is an amenable number.

493713309 is a deficient number, since it is larger than the sum of its proper divisors (199695971).

493713309 is a wasteful number, since it uses less digits than its factorization.

493713309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6000.

The product of its (nonzero) digits is 61236, while the sum is 39.

The square root of 493713309 is about 22219.6604159470. The cubic root of 493713309 is about 790.3599860200.

The spelling of 493713309 in words is "four hundred ninety-three million, seven hundred thirteen thousand, three hundred nine".