9936818498839 has 2 divisors, whose sum is σ = 9936818498840. Its totient is φ = 9936818498838.

The previous prime is 9936818498801. The next prime is 9936818498939. The reversal of 9936818498839 is 9388948186399.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9936818498839 - 2⁴¹ = 7737795243287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9936818498239) 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 as a sum of consecutive naturals, namely, 4968409249419 + 4968409249420.

It is an arithmetic number, because the mean of its divisors is an integer number (4968409249420).

Almost surely, 2^{9936818498839} is an apocalyptic number.

9936818498839 is a deficient number, since it is larger than the sum of its proper divisors (1).

9936818498839 is an equidigital number, since it uses as much as digits as its factorization.

9936818498839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5804752896, while the sum is 85.

The spelling of 9936818498839 in words is "nine trillion, nine hundred thirty-six billion, eight hundred eighteen million, four hundred ninety-eight thousand, eight hundred thirty-nine".