2065844473 has 16 divisors (see below), whose sum is σ = 2579641344. Its totient is φ = 1607222160.

The previous prime is 2065844449. The next prime is 2065844497. The reversal of 2065844473 is 3744485602.

It is an interprime number because it is at equal distance from previous prime (2065844449) and next prime (2065844497).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2065844473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2065844423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29086 + ... + 70552.

It is an arithmetic number, because the mean of its divisors is an integer number (161227584).

Almost surely, 2^2065844473 is an apocalyptic number.

It is an amenable number.

2065844473 is a deficient number, since it is larger than the sum of its proper divisors (513796871).

2065844473 is a wasteful number, since it uses less digits than its factorization.

2065844473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42132.

The product of its (nonzero) digits is 645120, while the sum is 43.

The square root of 2065844473 is about 45451.5618323507. The cubic root of 2065844473 is about 1273.5985057523.

The spelling of 2065844473 in words is "two billion, sixty-five million, eight hundred forty-four thousand, four hundred seventy-three".