494343709 has 4 divisors (see below), whose sum is σ = 494404540. Its totient is φ = 494282880.

The previous prime is 494343611. The next prime is 494343737. The reversal of 494343709 is 907343494.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 907343494 = 2 ⋅453671747.

It can be written as a sum of positive squares in 2 ways, for example, as 9903609 + 484440100 = 3147^2 + 22010^2 .

It is a cyclic number.

It is not a de Polignac number, because 494343709 - 2⁷ = 494343581 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 (494343739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15924 + ... + 35245.

It is an arithmetic number, because the mean of its divisors is an integer number (123601135).

Almost surely, 2^494343709 is an apocalyptic number.

It is an amenable number.

494343709 is a deficient number, since it is larger than the sum of its proper divisors (60831).

494343709 is an equidigital number, since it uses as much as digits as its factorization.

494343709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60830.

The product of its (nonzero) digits is 326592, while the sum is 43.

The square root of 494343709 is about 22233.8415259262. The cubic root of 494343709 is about 790.6962344832.

The spelling of 494343709 in words is "four hundred ninety-four million, three hundred forty-three thousand, seven hundred nine".