9662662673 has 2 divisors, whose sum is σ = 9662662674. Its totient is φ = 9662662672.

The previous prime is 9662662661. The next prime is 9662662679. The reversal of 9662662673 is 3762662669.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6536399104 + 3126263569 = 80848^2 + 55913^2 .

It is a cyclic number.

It is not a de Polignac number, because 9662662673 - 2⁶ = 9662662609 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (9662662679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4831331336 + 4831331337.

It is an arithmetic number, because the mean of its divisors is an integer number (4831331337).

Almost surely, 2^9662662673 is an apocalyptic number.

It is an amenable number.

9662662673 is a deficient number, since it is larger than the sum of its proper divisors (1).

9662662673 is an equidigital number, since it uses as much as digits as its factorization.

9662662673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5878656, while the sum is 53.

The square root of 9662662673 is about 98298.8437012359. The cubic root of 9662662673 is about 2129.9313512815.

The spelling of 9662662673 in words is "nine billion, six hundred sixty-two million, six hundred sixty-two thousand, six hundred seventy-three".