413420209 has 2 divisors, whose sum is σ = 413420210. Its totient is φ = 413420208.

The previous prime is 413420207. The next prime is 413420269. The reversal of 413420209 is 902024314.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 304677025 + 108743184 = 17455^2 + 10428^2 .

It is a cyclic number.

It is not a de Polignac number, because 413420209 - 2¹ = 413420207 is a prime.

Together with 413420207, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (413420207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206710104 + 206710105.

It is an arithmetic number, because the mean of its divisors is an integer number (206710105).

Almost surely, 2^413420209 is an apocalyptic number.

It is an amenable number.

413420209 is a deficient number, since it is larger than the sum of its proper divisors (1).

413420209 is an equidigital number, since it uses as much as digits as its factorization.

413420209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 413420209 is about 20332.7373710477. The cubic root of 413420209 is about 744.9559056827.

The spelling of 413420209 in words is "four hundred thirteen million, four hundred twenty thousand, two hundred nine".