9996999469 has 2 divisors, whose sum is σ = 9996999470. Its totient is φ = 9996999468.

The previous prime is 9996999431. The next prime is 9996999497. The reversal of 9996999469 is 9649996999.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7231291369 + 2765708100 = 85037^2 + 52590^2 .

It is an emirp because it is prime and its reverse (9649996999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9996999469 - 2²¹ = 9994902317 is a prime.

It is a super-2 number, since 2×9996999469² (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 (9996999409) 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, 4998499734 + 4998499735.

It is an arithmetic number, because the mean of its divisors is an integer number (4998499735).

Almost surely, 2^9996999469 is an apocalyptic number.

It is an amenable number.

9996999469 is a deficient number, since it is larger than the sum of its proper divisors (1).

9996999469 is an equidigital number, since it uses as much as digits as its factorization.

9996999469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 688747536, while the sum is 79.

The square root of 9996999469 is about 99984.9962194328. The cubic root of 9996999469 is about 2154.2191868738.

The spelling of 9996999469 in words is "nine billion, nine hundred ninety-six million, nine hundred ninety-nine thousand, four hundred sixty-nine".