998349996044 has 6 divisors (see below), whose sum is σ = 1747112493084. Its totient is φ = 499174998020.

The previous prime is 998349996043. The next prime is 998349996101. The reversal of 998349996044 is 440699943899.

It is not an unprimeable number, because it can be changed into a prime (998349996043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124793749502 + ... + 124793749509.

It is an arithmetic number, because the mean of its divisors is an integer number (291185415514).

Almost surely, 2^998349996044 is an apocalyptic number.

It is an amenable number.

998349996044 is a deficient number, since it is larger than the sum of its proper divisors (748762497040).

998349996044 is a wasteful number, since it uses less digits than its factorization.

998349996044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249587499015 (or 249587499013 counting only the distinct ones).

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

The spelling of 998349996044 in words is "nine hundred ninety-eight billion, three hundred forty-nine million, nine hundred ninety-six thousand, forty-four".