493349009 has 4 divisors (see below), whose sum is σ = 506682804. Its totient is φ = 480015216.

The previous prime is 493348997. The next prime is 493349033. The reversal of 493349009 is 900943394.

It is a happy number.

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 396129409 + 97219600 = 19903^2 + 9860^2 .

It is a cyclic number.

It is not a de Polignac number, because 493349009 - 2⁸ = 493348753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493379009) 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, 6666842 + ... + 6666915.

It is an arithmetic number, because the mean of its divisors is an integer number (126670701).

Almost surely, 2^493349009 is an apocalyptic number.

It is an amenable number.

493349009 is a deficient number, since it is larger than the sum of its proper divisors (13333795).

493349009 is a wasteful number, since it uses less digits than its factorization.

493349009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13333794.

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 493349009 is about 22211.4612081241. The cubic root of 493349009 is about 790.1655418724.

The spelling of 493349009 in words is "four hundred ninety-three million, three hundred forty-nine thousand, nine".