998426000903 has 2 divisors, whose sum is σ = 998426000904. Its totient is φ = 998426000902.

The previous prime is 998426000867. The next prime is 998426000909. The reversal of 998426000903 is 309000624899.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 998426000903 - 2¹² = 998425996807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (998426000909) 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, 499213000451 + 499213000452.

It is an arithmetic number, because the mean of its divisors is an integer number (499213000452).

Almost surely, 2^998426000903 is an apocalyptic number.

998426000903 is a deficient number, since it is larger than the sum of its proper divisors (1).

998426000903 is an equidigital number, since it uses as much as digits as its factorization.

998426000903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 50.

The spelling of 998426000903 in words is "nine hundred ninety-eight billion, four hundred twenty-six million, nine hundred three", and thus it is an aban number.