998034970990 has 16 divisors (see below), whose sum is σ = 1902137239152. Its totient is φ = 375730812544.

The previous prime is 998034970987. The next prime is 998034970993. The reversal of 998034970990 is 99079430899.

It is an interprime number because it is at equal distance from previous prime (998034970987) and next prime (998034970993).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998034970993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2935396804 + ... + 2935397143.

It is an arithmetic number, because the mean of its divisors is an integer number (118883577447).

Almost surely, 2^998034970990 is an apocalyptic number.

998034970990 is a deficient number, since it is larger than the sum of its proper divisors (904102268162).

998034970990 is a wasteful number, since it uses less digits than its factorization.

998034970990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5870793971.

The product of its (nonzero) digits is 39680928, while the sum is 67.

The spelling of 998034970990 in words is "nine hundred ninety-eight billion, thirty-four million, nine hundred seventy thousand, nine hundred ninety".