2189439199 has 8 divisors (see below), whose sum is σ = 2232097280. Its totient is φ = 2147074776.

The previous prime is 2189439149. The next prime is 2189439281. The reversal of 2189439199 is 9919349812.

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 2189439199 - 2²³ = 2181050591 is a prime.

It is a super-2 number, since 2×2189439199² = 9587288012235523202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2189439149) 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, 58329 + ... + 88210.

It is an arithmetic number, because the mean of its divisors is an integer number (279012160).

Almost surely, 2^2189439199 is an apocalyptic number.

2189439199 is a deficient number, since it is larger than the sum of its proper divisors (42658081).

2189439199 is a wasteful number, since it uses less digits than its factorization.

2189439199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146829.

The product of its digits is 1259712, while the sum is 55.

The square root of 2189439199 is about 46791.4436515908. The cubic root of 2189439199 is about 1298.5070037634.

The spelling of 2189439199 in words is "two billion, one hundred eighty-nine million, four hundred thirty-nine thousand, one hundred ninety-nine".