998994446039 has 2 divisors, whose sum is σ = 998994446040. Its totient is φ = 998994446038.

The previous prime is 998994446003. The next prime is 998994446053. The reversal of 998994446039 is 930644499899.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 998994446039 - 2¹² = 998994441943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (998994446069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499497223019 + 499497223020.

It is an arithmetic number, because the mean of its divisors is an integer number (499497223020).

Almost surely, 2^998994446039 is an apocalyptic number.

998994446039 is a deficient number, since it is larger than the sum of its proper divisors (1).

998994446039 is an equidigital number, since it uses as much as digits as its factorization.

998994446039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544195584, while the sum is 74.

The spelling of 998994446039 in words is "nine hundred ninety-eight billion, nine hundred ninety-four million, four hundred forty-six thousand, thirty-nine".