4069489 has 2 divisors, whose sum is σ = 4069490. Its totient is φ = 4069488.

The previous prime is 4069487. The next prime is 4069501. The reversal of 4069489 is 9849604.

4069489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3640464 + 429025 = 1908^2 + 655^2 .

It is a cyclic number.

It is not a de Polignac number, because 4069489 - 2¹ = 4069487 is a prime.

It is a super-2 number, since 2×4069489² = 33121481442242, which contains 22 as substring.

Together with 4069487, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4069487) 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 as a sum of consecutive naturals, namely, 2034744 + 2034745.

It is an arithmetic number, because the mean of its divisors is an integer number (2034745).

Almost surely, 2^4069489 is an apocalyptic number.

It is an amenable number.

4069489 is a deficient number, since it is larger than the sum of its proper divisors (1).

4069489 is an equidigital number, since it uses as much as digits as its factorization.

4069489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 4069489 is about 2017.2974495597. The cubic root of 4069489 is about 159.6540572492.

The spelling of 4069489 in words is "four million, sixty-nine thousand, four hundred eighty-nine".