2189714165 has 8 divisors (see below), whose sum is σ = 2718266040. Its totient is φ = 1691365312.

The previous prime is 2189714119. The next prime is 2189714201. The reversal of 2189714165 is 5614179812.

It can be written as a sum of positive squares in 4 ways, for example, as 108347281 + 2081366884 = 10409^2 + 45622^2 .

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 2189714165 - 2¹⁴ = 2189697781 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 7550594 + ... + 7550883.

It is an arithmetic number, because the mean of its divisors is an integer number (339783255).

Almost surely, 2^2189714165 is an apocalyptic number.

It is an amenable number.

2189714165 is a deficient number, since it is larger than the sum of its proper divisors (528551875).

2189714165 is a wasteful number, since it uses less digits than its factorization.

2189714165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15101511.

The product of its digits is 120960, while the sum is 44.

The square root of 2189714165 is about 46794.3817674729. The cubic root of 2189714165 is about 1298.5613601988.

The spelling of 2189714165 in words is "two billion, one hundred eighty-nine million, seven hundred fourteen thousand, one hundred sixty-five".