9986189636 has 12 divisors (see below), whose sum is σ = 17490763920. Its totient is φ = 4988828520.

The previous prime is 9986189579. The next prime is 9986189659. The reversal of 9986189636 is 6369816899.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1061306 + ... + 1070673.

It is an arithmetic number, because the mean of its divisors is an integer number (1457563660).

Almost surely, 2^9986189636 is an apocalyptic number.

It is an amenable number.

9986189636 is a deficient number, since it is larger than the sum of its proper divisors (7504574284).

9986189636 is a wasteful number, since it uses less digits than its factorization.

9986189636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133154 (or 2133152 counting only the distinct ones).

The product of its digits is 30233088, while the sum is 65.

The square root of 9986189636 is about 99930.9243227541. The cubic root of 9986189636 is about 2153.4424488751.

The spelling of 9986189636 in words is "nine billion, nine hundred eighty-six million, one hundred eighty-nine thousand, six hundred thirty-six".