9998883021473 has 2 divisors, whose sum is σ = 9998883021474. Its totient is φ = 9998883021472.

The previous prime is 9998883021443. The next prime is 9998883021557. The reversal of 9998883021473 is 3741203888999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7278864055969 + 2720018965504 = 2697937^2 + 1649248^2 .

It is a cyclic number.

It is not a de Polignac number, because 9998883021473 - 2¹⁰ = 9998883020449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9998883021397 and 9998883021406.

It is not a weakly prime, because it can be changed into another prime (9998883021403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999441510736 + 4999441510737.

It is an arithmetic number, because the mean of its divisors is an integer number (4999441510737).

Almost surely, 2^{9998883021473} is an apocalyptic number.

It is an amenable number.

9998883021473 is a deficient number, since it is larger than the sum of its proper divisors (1).

9998883021473 is an equidigital number, since it uses as much as digits as its factorization.

9998883021473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 188116992, while the sum is 71.

The spelling of 9998883021473 in words is "nine trillion, nine hundred ninety-eight billion, eight hundred eighty-three million, twenty-one thousand, four hundred seventy-three".