9669999969 has 32 divisors (see below), whose sum is σ = 16596791040. Its totient is φ = 5450011776.

The previous prime is 9669999953. The next prime is 9669999971. The reversal of 9669999969 is 9699999669.

It is not a de Polignac number, because 9669999969 - 2⁴ = 9669999953 is a prime.

It is a super-2 number, since 2×9669999969² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9669999979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 336642 + ... + 364235.

It is an arithmetic number, because the mean of its divisors is an integer number (518649720).

Almost surely, 2^9669999969 is an apocalyptic number.

It is an amenable number.

9669999969 is a deficient number, since it is larger than the sum of its proper divisors (6926791071).

9669999969 is a wasteful number, since it uses less digits than its factorization.

9669999969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700966 (or 700960 counting only the distinct ones).

The product of its digits is 1033121304, while the sum is 81.

The square root of 9669999969 is about 98336.1579938936. The cubic root of 9669999969 is about 2130.4703325580.

The spelling of 9669999969 in words is "nine billion, six hundred sixty-nine million, nine hundred ninety-nine thousand, nine hundred sixty-nine".