9936818761983 has 32 divisors (see below), whose sum is σ = 14434893100800. Its totient is φ = 6056296275456.

The previous prime is 9936818761927. The next prime is 9936818762051. The reversal of 9936818761983 is 3891678186399.

9936818761983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 3152272²-1.

It is not a de Polignac number, because 9936818761983 - 2²⁶ = 9936751653119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9936818761899 and 9936818761908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9936818760983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1576135 + ... + 4728407.

It is an arithmetic number, because the mean of its divisors is an integer number (451090409400).

Almost surely, 2^{9936818761983} is an apocalyptic number.

9936818761983 is a deficient number, since it is larger than the sum of its proper divisors (4498074338817).

9936818761983 is a wasteful number, since it uses less digits than its factorization.

9936818761983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3154231.

The product of its digits is 846526464, while the sum is 78.

The spelling of 9936818761983 in words is "nine trillion, nine hundred thirty-six billion, eight hundred eighteen million, seven hundred sixty-one thousand, nine hundred eighty-three".