998383735793 has 2 divisors, whose sum is σ = 998383735794. Its totient is φ = 998383735792.

The previous prime is 998383735597. The next prime is 998383735813. The reversal of 998383735793 is 397537383899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 657020482624 + 341363253169 = 810568^2 + 584263^2 .

It is a cyclic number.

It is not a de Polignac number, because 998383735793 - 2¹⁰ = 998383734769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 998383735793.

It is not a weakly prime, because it can be changed into another prime (998383755793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499191867896 + 499191867897.

It is an arithmetic number, because the mean of its divisors is an integer number (499191867897).

Almost surely, 2^998383735793 is an apocalyptic number.

It is an amenable number.

998383735793 is a deficient number, since it is larger than the sum of its proper divisors (1).

998383735793 is an equidigital number, since it uses as much as digits as its factorization.

998383735793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 925888320, while the sum is 74.

The spelling of 998383735793 in words is "nine hundred ninety-eight billion, three hundred eighty-three million, seven hundred thirty-five thousand, seven hundred ninety-three".