669000653 has 2 divisors, whose sum is σ = 669000654. Its totient is φ = 669000652.

The previous prime is 669000637. The next prime is 669000719. The reversal of 669000653 is 356000966.

669000653 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., 668843044 + 157609 = 25862^2 + 397^2 .

It is a cyclic number.

It is not a de Polignac number, because 669000653 - 2⁴ = 669000637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (669000853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 334500326 + 334500327.

It is an arithmetic number, because the mean of its divisors is an integer number (334500327).

Almost surely, 2^669000653 is an apocalyptic number.

It is an amenable number.

669000653 is a deficient number, since it is larger than the sum of its proper divisors (1).

669000653 is an equidigital number, since it uses as much as digits as its factorization.

669000653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 669000653 is about 25865.0469359713. The cubic root of 669000653 is about 874.5987397721.

The spelling of 669000653 in words is "six hundred sixty-nine million, six hundred fifty-three", and thus it is an aban number.