4109569 has 4 divisors (see below), whose sum is σ = 4137300. Its totient is φ = 4081840.

The previous prime is 4109557. The next prime is 4109591. The reversal of 4109569 is 9659014.

4109569 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2640625 + 1468944 = 1625^2 + 1212^2 .

It is a cyclic number.

It is not a de Polignac number, because 4109569 - 2⁵ = 4109537 is a prime.

It is a super-2 number, since 2×4109569² = 33777114731522, which contains 22 as substring.

It is a Duffinian number.

4109569 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4109519) 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 3 ways as a sum of consecutive naturals, for example, 13642 + ... + 13939.

It is an arithmetic number, because the mean of its divisors is an integer number (1034325).

Almost surely, 2^4109569 is an apocalyptic number.

It is an amenable number.

4109569 is a deficient number, since it is larger than the sum of its proper divisors (27731).

4109569 is a wasteful number, since it uses less digits than its factorization.

4109569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27730.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 4109569 is about 2027.2071921735. The cubic root of 4109569 is about 160.1764849476.

The spelling of 4109569 in words is "four million, one hundred nine thousand, five hundred sixty-nine".