9986918036 has 24 divisors (see below), whose sum is σ = 18308640000. Its totient is φ = 4760237664.

The previous prime is 9986918033. The next prime is 9986918041. The reversal of 9986918036 is 6308196899.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9986918033) 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 7 ways as a sum of consecutive naturals, for example, 535736 + ... + 554063.

It is an arithmetic number, because the mean of its divisors is an integer number (762860000).

Almost surely, 2^9986918036 is an apocalyptic number.

It is an amenable number.

9986918036 is a deficient number, since it is larger than the sum of its proper divisors (8321721964).

9986918036 is a wasteful number, since it uses less digits than its factorization.

9986918036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089911 (or 1089909 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 59.

The square root of 9986918036 is about 99934.5687737732. The cubic root of 9986918036 is about 2153.4948054930.

The spelling of 9986918036 in words is "nine billion, nine hundred eighty-six million, nine hundred eighteen thousand, thirty-six".