2189069439 has 16 divisors (see below), whose sum is σ = 3094492800. Its totient is φ = 1372618656.

The previous prime is 2189069431. The next prime is 2189069453. The reversal of 2189069439 is 9349609812.

It is not a de Polignac number, because 2189069439 - 2³ = 2189069431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2189069391 and 2189069400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2189069431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130224 + ... + 146069.

It is an arithmetic number, because the mean of its divisors is an integer number (193405800).

Almost surely, 2^2189069439 is an apocalyptic number.

2189069439 is a deficient number, since it is larger than the sum of its proper divisors (905423361).

2189069439 is a wasteful number, since it uses less digits than its factorization.

2189069439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276454.

The product of its (nonzero) digits is 839808, while the sum is 51.

The square root of 2189069439 is about 46787.4923350248. The cubic root of 2189069439 is about 1298.4339008761.

The spelling of 2189069439 in words is "two billion, one hundred eighty-nine million, sixty-nine thousand, four hundred thirty-nine".