9968008669 has 2 divisors, whose sum is σ = 9968008670. Its totient is φ = 9968008668.

The previous prime is 9968008637. The next prime is 9968008697. The reversal of 9968008669 is 9668008699.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6783663769 + 3184344900 = 82363^2 + 56430^2 .

It is an emirp because it is prime and its reverse (9668008699) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9968008669 - 2⁵ = 9968008637 is a prime.

It is a super-2 number, since 2×9968008669² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9968008069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4984004334 + 4984004335.

It is an arithmetic number, because the mean of its divisors is an integer number (4984004335).

Almost surely, 2^9968008669 is an apocalyptic number.

It is an amenable number.

9968008669 is a deficient number, since it is larger than the sum of its proper divisors (1).

9968008669 is an equidigital number, since it uses as much as digits as its factorization.

9968008669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10077696, while the sum is 61.

The square root of 9968008669 is about 99839.9152092989. The cubic root of 9968008669 is about 2152.1347946188.

The spelling of 9968008669 in words is "nine billion, nine hundred sixty-eight million, eight thousand, six hundred sixty-nine".