2189299997 has 8 divisors (see below), whose sum is σ = 2237155200. Its totient is φ = 2141497984.

The previous prime is 2189299969. The next prime is 2189300021. The reversal of 2189299997 is 7999929812.

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 2189299997 - 2¹⁰ = 2189298973 is a prime.

It is a super-3 number, since 3×2189299997³ (a number of 29 digits) contains 333 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 (2189299907) 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, 76454 + ... + 101112.

It is an arithmetic number, because the mean of its divisors is an integer number (279644400).

Almost surely, 2^2189299997 is an apocalyptic number.

It is an amenable number.

2189299997 is a deficient number, since it is larger than the sum of its proper divisors (47855203).

2189299997 is a wasteful number, since it uses less digits than its factorization.

2189299997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26595.

The product of its digits is 13226976, while the sum is 65.

The square root of 2189299997 is about 46789.9561551408. The cubic root of 2189299997 is about 1298.4794839914.

The spelling of 2189299997 in words is "two billion, one hundred eighty-nine million, two hundred ninety-nine thousand, nine hundred ninety-seven".