2093872189 has 4 divisors (see below), whose sum is σ = 2094592924. Its totient is φ = 2093151456.

The previous prime is 2093872177. The next prime is 2093872199. The reversal of 2093872189 is 9812783902.

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 1604002500 + 489869689 = 40050^2 + 22133^2 .

It is a cyclic number.

It is not a de Polignac number, because 2093872189 - 2¹⁵ = 2093839421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2093872129) 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, 355992 + ... + 361825.

It is an arithmetic number, because the mean of its divisors is an integer number (523648231).

Almost surely, 2^2093872189 is an apocalyptic number.

It is an amenable number.

2093872189 is a deficient number, since it is larger than the sum of its proper divisors (720735).

2093872189 is an equidigital number, since it uses as much as digits as its factorization.

2093872189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720734.

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 2093872189 is about 45758.8482044730. The cubic root of 2093872189 is about 1279.3323725806.

The spelling of 2093872189 in words is "two billion, ninety-three million, eight hundred seventy-two thousand, one hundred eighty-nine".