2043070209 has 40 divisors (see below), whose sum is σ = 3238231040. Its totient is φ = 1280077344.

The previous prime is 2043070207. The next prime is 2043070241. The reversal of 2043070209 is 9020703402.

2043070209 is a `hidden beast` number, since 20 + 430 + 7 + 0 + 209 = 666.

It is not a de Polignac number, because 2043070209 - 2¹ = 2043070207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2043070201) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 190227 + ... + 200679.

It is an arithmetic number, because the mean of its divisors is an integer number (80955776).

Almost surely, 2^2043070209 is an apocalyptic number.

It is an amenable number.

2043070209 is a deficient number, since it is larger than the sum of its proper divisors (1195160831).

2043070209 is a wasteful number, since it uses less digits than its factorization.

2043070209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10611 (or 10602 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 2043070209 is about 45200.3341691187. The cubic root of 2043070209 is about 1268.9010703690.

The spelling of 2043070209 in words is "two billion, forty-three million, seventy thousand, two hundred nine".