4689109 has 2 divisors, whose sum is σ = 4689110. Its totient is φ = 4689108.

The previous prime is 4689089. The next prime is 4689133. The reversal of 4689109 is 9019864.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4088484 + 600625 = 2022^2 + 775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4689109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4689149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2344554 + 2344555.

It is an arithmetic number, because the mean of its divisors is an integer number (2344555).

Almost surely, 2^4689109 is an apocalyptic number.

It is an amenable number.

4689109 is a deficient number, since it is larger than the sum of its proper divisors (1).

4689109 is an equidigital number, since it uses as much as digits as its factorization.

4689109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 4689109 is about 2165.4350602131. The cubic root of 4689109 is about 167.3773840876.

The spelling of 4689109 in words is "four million, six hundred eighty-nine thousand, one hundred nine".