998426000911 has 8 divisors (see below), whose sum is σ = 1025304652800.
Its totient is φ = 971903357880.
The previous prime is 998426000909. The next prime is 998426000917. The reversal of 998426000911 is 119000624899.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 998426000911 - 21 = 998426000909 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (998426000917) 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, 88996531 + ... + 89007748.
It is an arithmetic number, because the mean of its divisors is an integer number (128163081600).
Almost surely, 2998426000911 is an apocalyptic number.
998426000911 is the 446862-nd centered decagonal number.
998426000911 is a deficient number, since it is larger than the sum of its proper divisors (26878651889).
998426000911 is a wasteful number, since it uses less digits than its factorization.
998426000911 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 178004429.
The product of its (nonzero) digits is 279936, while the sum is 49.
The spelling of 998426000911 in words is "nine hundred ninety-eight billion, four hundred twenty-six million, nine hundred eleven", and thus it is an aban number.