493009073 has 4 divisors (see below), whose sum is σ = 493193508. Its totient is φ = 492824640.

The previous prime is 493009031. The next prime is 493009079. The reversal of 493009073 is 370900394.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 315133504 + 177875569 = 17752^2 + 13337^2 .

It is a cyclic number.

It is not a de Polignac number, because 493009073 - 2¹⁰ = 493008049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493009079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88148 + ... + 93573.

It is an arithmetic number, because the mean of its divisors is an integer number (123298377).

Almost surely, 2^493009073 is an apocalyptic number.

It is an amenable number.

493009073 is a deficient number, since it is larger than the sum of its proper divisors (184435).

493009073 is a wasteful number, since it uses less digits than its factorization.

493009073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184434.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 493009073 is about 22203.8076239189. The cubic root of 493009073 is about 789.9840155928.

The spelling of 493009073 in words is "four hundred ninety-three million, nine thousand, seventy-three".