3085838209 has 2 divisors, whose sum is σ = 3085838210. Its totient is φ = 3085838208.

The previous prime is 3085838183. The next prime is 3085838213. The reversal of 3085838209 is 9028385803.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2763815184 + 322023025 = 52572^2 + 17945^2 .

It is an emirp because it is prime and its reverse (9028385803) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3085838209 - 2⁹ = 3085837697 is a prime.

It is not a weakly prime, because it can be changed into another prime (3085838269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1542919104 + 1542919105.

It is an arithmetic number, because the mean of its divisors is an integer number (1542919105).

Almost surely, 2^3085838209 is an apocalyptic number.

It is an amenable number.

3085838209 is a deficient number, since it is larger than the sum of its proper divisors (1).

3085838209 is an equidigital number, since it uses as much as digits as its factorization.

3085838209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 3085838209 is about 55550.3214122115. The cubic root of 3085838209 is about 1455.8759908836.

The spelling of 3085838209 in words is "three billion, eighty-five million, eight hundred thirty-eight thousand, two hundred nine".