998311226841 has 20 divisors (see below), whose sum is σ = 1492303470372. Its totient is φ = 665094963168.

The previous prime is 998311226813. The next prime is 998311226849. The reversal of 998311226841 is 148622113899.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 596223344025 + 402087882816 = 772155^2 + 634104^2 .

It is not a de Polignac number, because 998311226841 - 2⁶ = 998311226777 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (998311226849) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4006606 + ... + 4248471.

Almost surely, 2^998311226841 is an apocalyptic number.

It is an amenable number.

998311226841 is a deficient number, since it is larger than the sum of its proper divisors (493992243531).

998311226841 is a wasteful number, since it uses less digits than its factorization.

998311226841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8256582 (or 8256573 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The spelling of 998311226841 in words is "nine hundred ninety-eight billion, three hundred eleven million, two hundred twenty-six thousand, eight hundred forty-one".