3686282209 has 2 divisors, whose sum is σ = 3686282210. Its totient is φ = 3686282208.

The previous prime is 3686282203. The next prime is 3686282231. The reversal of 3686282209 is 9022826863.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2686141584 + 1000140625 = 51828^2 + 31625^2 .

It is a cyclic number.

It is not a de Polignac number, because 3686282209 - 2⁵ = 3686282177 is a prime.

It is not a weakly prime, because it can be changed into another prime (3686282203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1843141104 + 1843141105.

It is an arithmetic number, because the mean of its divisors is an integer number (1843141105).

Almost surely, 2^3686282209 is an apocalyptic number.

It is an amenable number.

3686282209 is a deficient number, since it is larger than the sum of its proper divisors (1).

3686282209 is an equidigital number, since it uses as much as digits as its factorization.

3686282209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 46.

The square root of 3686282209 is about 60714.7610470469. The cubic root of 3686282209 is about 1544.7665617852.

The spelling of 3686282209 in words is "three billion, six hundred eighty-six million, two hundred eighty-two thousand, two hundred nine".