2210189689 has 4 divisors (see below), whose sum is σ = 2221409124. Its totient is φ = 2198970256.

The previous prime is 2210189659. The next prime is 2210189741. The reversal of 2210189689 is 9869810122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2048467600 + 161722089 = 45260^2 + 12717^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210189689 - 2²³ = 2201801081 is a prime.

It is a super-2 number, since 2×2210189689² = 9769876922723833442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2210189629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5609422 + ... + 5609815.

It is an arithmetic number, because the mean of its divisors is an integer number (555352281).

Almost surely, 2^2210189689 is an apocalyptic number.

It is an amenable number.

2210189689 is a deficient number, since it is larger than the sum of its proper divisors (11219435).

2210189689 is a wasteful number, since it uses less digits than its factorization.

2210189689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11219434.

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 2210189689 is about 47012.6545623622. The cubic root of 2210189689 is about 1302.5963277945.

The spelling of 2210189689 in words is "two billion, two hundred ten million, one hundred eighty-nine thousand, six hundred eighty-nine".