9969229699 has 32 divisors (see below), whose sum is σ = 11892464640. Its totient is φ = 8237548800.

The previous prime is 9969229679. The next prime is 9969229741.

It is a happy number.

9969229699 is nontrivially palindromic in base 10.

9969229699 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9969229699 - 2¹¹ = 9969227651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9969229679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5161764 + ... + 5163694.

It is an arithmetic number, because the mean of its divisors is an integer number (371639520).

Almost surely, 2^9969229699 is an apocalyptic number.

9969229699 is a deficient number, since it is larger than the sum of its proper divisors (1923234941).

9969229699 is a wasteful number, since it uses less digits than its factorization.

9969229699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491.

The product of its digits is 76527504, while the sum is 70.

The square root of 9969229699 is about 99846.0299611357. The cubic root of 9969229699 is about 2152.2226661936. Note that the first 3 decimals are identical.

The spelling of 9969229699 in words is "nine billion, nine hundred sixty-nine million, two hundred twenty-nine thousand, six hundred ninety-nine".