2093836809 has 16 divisors (see below), whose sum is σ = 2916006912. Its totient is φ = 1333897488.

The previous prime is 2093836783. The next prime is 2093836817. The reversal of 2093836809 is 9086383902.

2093836809 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2093836809 - 2⁸ = 2093836553 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2093836889) 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, 59074 + ... + 87620.

It is an arithmetic number, because the mean of its divisors is an integer number (182250432).

Almost surely, 2^2093836809 is an apocalyptic number.

It is an amenable number.

2093836809 is a deficient number, since it is larger than the sum of its proper divisors (822170103).

2093836809 is a wasteful number, since it uses less digits than its factorization.

2093836809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29636.

The product of its (nonzero) digits is 559872, while the sum is 48.

The square root of 2093836809 is about 45758.4616109414. The cubic root of 2093836809 is about 1279.3251669459.

The spelling of 2093836809 in words is "two billion, ninety-three million, eight hundred thirty-six thousand, eight hundred nine".