9936818761899 has 8 divisors (see below), whose sum is σ = 13249837718992. Its totient is φ = 6624172823040.

The previous prime is 9936818761871. The next prime is 9936818761901. The reversal of 9936818761899 is 9981678186399.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9936818761899 - 2¹⁹ = 9936818237611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9936818761819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93192394 + ... + 93298959.

It is an arithmetic number, because the mean of its divisors is an integer number (1656229714874).

Almost surely, 2^{9936818761899} is an apocalyptic number.

9936818761899 is a deficient number, since it is larger than the sum of its proper divisors (3313018957093).

9936818761899 is a wasteful number, since it uses less digits than its factorization.

9936818761899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186509117.

The product of its digits is 2539579392, while the sum is 84.

The spelling of 9936818761899 in words is "nine trillion, nine hundred thirty-six billion, eight hundred eighteen million, seven hundred sixty-one thousand, eight hundred ninety-nine".