2189574269 has 16 divisors (see below), whose sum is σ = 2390208000. Its totient is φ = 1997835840.

The previous prime is 2189574251. The next prime is 2189574293. The reversal of 2189574269 is 9624759812.

It is a cyclic number.

It is not a de Polignac number, because 2189574269 - 2¹⁶ = 2189508733 is a prime.

It is a super-3 number, since 3×2189574269³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2189574269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2189574229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227252 + ... + 236690.

It is an arithmetic number, because the mean of its divisors is an integer number (149388000).

Almost surely, 2^2189574269 is an apocalyptic number.

2189574269 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2189574269 is a deficient number, since it is larger than the sum of its proper divisors (200633731).

2189574269 is a wasteful number, since it uses less digits than its factorization.

2189574269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9908.

The product of its digits is 2177280, while the sum is 53.

The square root of 2189574269 is about 46792.8869487660. The cubic root of 2189574269 is about 1298.5337055378.

The spelling of 2189574269 in words is "two billion, one hundred eighty-nine million, five hundred seventy-four thousand, two hundred sixty-nine".