998846000497 has 2 divisors, whose sum is σ = 998846000498. Its totient is φ = 998846000496.

The previous prime is 998846000491. The next prime is 998846000501. The reversal of 998846000497 is 794000648899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 580630284081 + 418215716416 = 761991^2 + 646696^2 .

It is a cyclic number.

It is not a de Polignac number, because 998846000497 - 2²⁷ = 998711782769 is a prime.

It is not a weakly prime, because it can be changed into another prime (998846000491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499423000248 + 499423000249.

It is an arithmetic number, because the mean of its divisors is an integer number (499423000249).

Almost surely, 2^998846000497 is an apocalyptic number.

It is an amenable number.

998846000497 is a deficient number, since it is larger than the sum of its proper divisors (1).

998846000497 is an equidigital number, since it uses as much as digits as its factorization.

998846000497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31352832, while the sum is 64.

The spelling of 998846000497 in words is "nine hundred ninety-eight billion, eight hundred forty-six million, four hundred ninety-seven", and thus it is an aban number.