4709609 has 2 divisors, whose sum is σ = 4709610. Its totient is φ = 4709608.

The previous prime is 4709603. The next prime is 4709651. The reversal of 4709609 is 9069074.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2650384 + 2059225 = 1628^2 + 1435^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4709609 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4709603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2354804 + 2354805.

It is an arithmetic number, because the mean of its divisors is an integer number (2354805).

Almost surely, 2^4709609 is an apocalyptic number.

It is an amenable number.

4709609 is a deficient number, since it is larger than the sum of its proper divisors (1).

4709609 is an equidigital number, since it uses as much as digits as its factorization.

4709609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 4709609 is about 2170.1633579065. The cubic root of 4709609 is about 167.6209448024.

The spelling of 4709609 in words is "four million, seven hundred nine thousand, six hundred nine".