2189088443 has 8 divisors (see below), whose sum is σ = 2212237200. Its totient is φ = 2165968800.

The previous prime is 2189088437. The next prime is 2189088463. The reversal of 2189088443 is 3448809812.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2189088443 - 2⁴ = 2189088427 is a prime.

It is a super-2 number, since 2×2189088443² = 9584216422552328498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2189088463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165221 + ... + 177977.

It is an arithmetic number, because the mean of its divisors is an integer number (276529650).

Almost surely, 2^2189088443 is an apocalyptic number.

2189088443 is a deficient number, since it is larger than the sum of its proper divisors (23148757).

2189088443 is a wasteful number, since it uses less digits than its factorization.

2189088443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14557.

The product of its (nonzero) digits is 442368, while the sum is 47.

The square root of 2189088443 is about 46787.6954230490. The cubic root of 2189088443 is about 1298.4376582362.

The spelling of 2189088443 in words is "two billion, one hundred eighty-nine million, eighty-eight thousand, four hundred forty-three".