9969291916 has 6 divisors (see below), whose sum is σ = 17446260860. Its totient is φ = 4984645956.

The previous prime is 9969291907. The next prime is 9969291967. The reversal of 9969291916 is 6191929699.

It is a super-3 number, since 3×9969291916³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1246161486 + ... + 1246161493.

Almost surely, 2^9969291916 is an apocalyptic number.

It is an amenable number.

9969291916 is a deficient number, since it is larger than the sum of its proper divisors (7476968944).

9969291916 is a wasteful number, since it uses less digits than its factorization.

9969291916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492322983 (or 2492322981 counting only the distinct ones).

The product of its digits is 4251528, while the sum is 61.

The square root of 9969291916 is about 99846.3415253659. The cubic root of 9969291916 is about 2152.2271434555.

The spelling of 9969291916 in words is "nine billion, nine hundred sixty-nine million, two hundred ninety-one thousand, nine hundred sixteen".