9969719 has 2 divisors, whose sum is σ = 9969720. Its totient is φ = 9969718.

The previous prime is 9969709. The next prime is 9969731. The reversal of 9969719 is 9179699.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9969719 - 2⁴ = 9969703 is a prime.

It is a super-2 number, since 2×9969719² = 198790593877922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9969709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4984859 + 4984860.

It is an arithmetic number, because the mean of its divisors is an integer number (4984860).

Almost surely, 2^9969719 is an apocalyptic number.

9969719 is a deficient number, since it is larger than the sum of its proper divisors (1).

9969719 is an equidigital number, since it uses as much as digits as its factorization.

9969719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 275562, while the sum is 50.

The square root of 9969719 is about 3157.4861836594. The cubic root of 9969719 is about 215.2257876787.

The spelling of 9969719 in words is "nine million, nine hundred sixty-nine thousand, seven hundred nineteen".