9983842340827 has 2 divisors, whose sum is σ = 9983842340828. Its totient is φ = 9983842340826.

The previous prime is 9983842340807. The next prime is 9983842340833. The reversal of 9983842340827 is 7280432483899.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9983842340827 - 2¹⁵ = 9983842308059 is a prime.

It is a super-4 number, since 4×9983842340827⁴ (a number of 53 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (9983842340807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4991921170413 + 4991921170414.

It is an arithmetic number, because the mean of its divisors is an integer number (4991921170414).

Almost surely, 2^{9983842340827} is an apocalyptic number.

9983842340827 is a deficient number, since it is larger than the sum of its proper divisors (1).

9983842340827 is an equidigital number, since it uses as much as digits as its factorization.

9983842340827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 167215104, while the sum is 67.

The spelling of 9983842340827 in words is "nine trillion, nine hundred eighty-three billion, eight hundred forty-two million, three hundred forty thousand, eight hundred twenty-seven".