2084843009 has 4 divisors (see below), whose sum is σ = 2085019716. Its totient is φ = 2084666304.

The previous prime is 2084842997. The next prime is 2084843023. The reversal of 2084843009 is 9003484802.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1038643984 + 1046199025 = 32228^2 + 32345^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2084843009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2084843029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69284 + ... + 94709.

It is an arithmetic number, because the mean of its divisors is an integer number (521254929).

Almost surely, 2^2084843009 is an apocalyptic number.

It is an amenable number.

2084843009 is a deficient number, since it is larger than the sum of its proper divisors (176707).

2084843009 is a wasteful number, since it uses less digits than its factorization.

2084843009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176706.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 2084843009 is about 45660.0811322100. The cubic root of 2084843009 is about 1277.4908138223.

The spelling of 2084843009 in words is "two billion, eighty-four million, eight hundred forty-three thousand, nine".