1083273189 has 4 divisors (see below), whose sum is σ = 1444364256. Its totient is φ = 722182124.

The previous prime is 1083273187. The next prime is 1083273203. The reversal of 1083273189 is 9813723801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1083273189 - 2¹ = 1083273187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1083273189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1083273181) 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, 180545529 + ... + 180545534.

It is an arithmetic number, because the mean of its divisors is an integer number (361091064).

Almost surely, 2^1083273189 is an apocalyptic number.

It is an amenable number.

1083273189 is a deficient number, since it is larger than the sum of its proper divisors (361091067).

1083273189 is an equidigital number, since it uses as much as digits as its factorization.

1083273189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361091066.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 1083273189 is about 32913.1157595266. The cubic root of 1083273189 is about 1027.0210179231.

The spelling of 1083273189 in words is "one billion, eighty-three million, two hundred seventy-three thousand, one hundred eighty-nine".