494480009 has 2 divisors, whose sum is σ = 494480010. Its totient is φ = 494480008.

The previous prime is 494479987. The next prime is 494480017. The reversal of 494480009 is 900084494.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 283417225 + 211062784 = 16835^2 + 14528^2 .

It is a cyclic number.

It is not a de Polignac number, because 494480009 - 2⁸ = 494479753 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (494480069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247240004 + 247240005.

It is an arithmetic number, because the mean of its divisors is an integer number (247240005).

Almost surely, 2^494480009 is an apocalyptic number.

It is an amenable number.

494480009 is a deficient number, since it is larger than the sum of its proper divisors (1).

494480009 is an equidigital number, since it uses as much as digits as its factorization.

494480009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 494480009 is about 22236.9064620059. The cubic root of 494480009 is about 790.7688978221.

The spelling of 494480009 in words is "four hundred ninety-four million, four hundred eighty thousand, nine".