219890099 has 16 divisors (see below), whose sum is σ = 266671104. Its totient is φ = 178567200.

The previous prime is 219890071. The next prime is 219890113. The reversal of 219890099 is 990098912.

219890099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 219890099 - 2²⁴ = 203112883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (219890039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20369 + ... + 29234.

It is an arithmetic number, because the mean of its divisors is an integer number (16666944).

Almost surely, 2^219890099 is an apocalyptic number.

219890099 is a deficient number, since it is larger than the sum of its proper divisors (46781005).

219890099 is a wasteful number, since it uses less digits than its factorization.

219890099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49658.

The product of its (nonzero) digits is 104976, while the sum is 47.

The square root of 219890099 is about 14828.6917494430. The cubic root of 219890099 is about 603.5805339763.

The spelling of 219890099 in words is "two hundred nineteen million, eight hundred ninety thousand, ninety-nine".