9936818761928 has 16 divisors (see below), whose sum is σ = 18648335497500. Its totient is φ = 4963929295936.

The previous prime is 9936818761927. The next prime is 9936818762051. The reversal of 9936818761928 is 8291678186399.

It can be written as a sum of positive squares in 2 ways, for example, as 7495231258564 + 2441587503364 = 2737742^2 + 1562558^2 .

It is not an unprimeable number, because it can be changed into a prime (9936818761927) 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 3 ways as a sum of consecutive naturals, for example, 560001203 + ... + 560018946.

Almost surely, 2^{9936818761928} is an apocalyptic number.

It is an amenable number.

9936818761928 is a deficient number, since it is larger than the sum of its proper divisors (8711516735572).

9936818761928 is a wasteful number, since it uses less digits than its factorization.

9936818761928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120021264 (or 1120021260 counting only the distinct ones).

The product of its digits is 564350976, while the sum is 77.

The spelling of 9936818761928 in words is "nine trillion, nine hundred thirty-six billion, eight hundred eighteen million, seven hundred sixty-one thousand, nine hundred twenty-eight".