9988832821739 has 2 divisors, whose sum is σ = 9988832821740. Its totient is φ = 9988832821738.

The previous prime is 9988832821729. The next prime is 9988832821741. The reversal of 9988832821739 is 9371282388899.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9988832821739 is a prime.

It is a super-2 number, since 2×9988832821739² (a number of 27 digits) contains 22 as substring.

Together with 9988832821741, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9988832821739.

It is not a weakly prime, because it can be changed into another prime (9988832821729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4994416410869 + 4994416410870.

It is an arithmetic number, because the mean of its divisors is an integer number (4994416410870).

Almost surely, 2^{9988832821739} is an apocalyptic number.

9988832821739 is a deficient number, since it is larger than the sum of its proper divisors (1).

9988832821739 is an equidigital number, since it uses as much as digits as its factorization.

9988832821739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 752467968, while the sum is 77.

The spelling of 9988832821739 in words is "nine trillion, nine hundred eighty-eight billion, eight hundred thirty-two million, eight hundred twenty-one thousand, seven hundred thirty-nine".