706606609 has 2 divisors, whose sum is σ = 706606610. Its totient is φ = 706606608.

The previous prime is 706606583. The next prime is 706606619. The reversal of 706606609 is 906606607.

706606609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 691953025 + 14653584 = 26305^2 + 3828^2 .

It is a cyclic number.

It is not a de Polignac number, because 706606609 - 2⁹ = 706606097 is a prime.

It is not a weakly prime, because it can be changed into another prime (706606619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353303304 + 353303305.

It is an arithmetic number, because the mean of its divisors is an integer number (353303305).

Almost surely, 2^706606609 is an apocalyptic number.

It is an amenable number.

706606609 is a deficient number, since it is larger than the sum of its proper divisors (1).

706606609 is an equidigital number, since it uses as much as digits as its factorization.

706606609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 706606609 is about 26582.0730756651. The cubic root of 706606609 is about 890.6886094369.

The spelling of 706606609 in words is "seven hundred six million, six hundred six thousand, six hundred nine".