219071089 has 8 divisors (see below), whose sum is σ = 225348480. Its totient is φ = 212861136.

The previous prime is 219071059. The next prime is 219071093. The reversal of 219071089 is 980170912.

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 219071089 - 2⁵ = 219071057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (219071059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10234 + ... + 23299.

It is an arithmetic number, because the mean of its divisors is an integer number (28168560).

Almost surely, 2^219071089 is an apocalyptic number.

It is an amenable number.

219071089 is a deficient number, since it is larger than the sum of its proper divisors (6277391).

219071089 is a wasteful number, since it uses less digits than its factorization.

219071089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33719.

The product of its (nonzero) digits is 9072, while the sum is 37.

The square root of 219071089 is about 14801.0502667885. The cubic root of 219071089 is about 602.8302296019.

The spelling of 219071089 in words is "two hundred nineteen million, seventy-one thousand, eighty-nine".