9996988933 has 4 divisors (see below), whose sum is σ = 9999460768. Its totient is φ = 9994517100.

The previous prime is 9996988927. The next prime is 9996988943. The reversal of 9996988933 is 3398896999.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3398896999 = 14827 ⋅229237.

It is a cyclic number.

It is not a de Polignac number, because 9996988933 - 2²⁹ = 9460118021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9996988943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1229841 + ... + 1237942.

It is an arithmetic number, because the mean of its divisors is an integer number (2499865192).

Almost surely, 2^9996988933 is an apocalyptic number.

It is an amenable number.

9996988933 is a deficient number, since it is larger than the sum of its proper divisors (2471835).

9996988933 is a wasteful number, since it uses less digits than its factorization.

9996988933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471834.

The product of its digits is 204073344, while the sum is 73.

The square root of 9996988933 is about 99984.9435315138. The cubic root of 9996988933 is about 2154.2184300847.

The spelling of 9996988933 in words is "nine billion, nine hundred ninety-six million, nine hundred eighty-eight thousand, nine hundred thirty-three".