9842274999856 has 40 divisors (see below), whose sum is σ = 20536513252640. Its totient is φ = 4542538046976.

The previous prime is 9842274999853. The next prime is 9842274999881. The reversal of 9842274999856 is 6589994722489.

It is a self number, because there is not a number n which added to its sum of digits gives 9842274999856.

It is not an unprimeable number, because it can be changed into a prime (9842274999853) 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, 23821885 + ... + 24231523.

It is an arithmetic number, because the mean of its divisors is an integer number (513412831316).

Almost surely, 2^{9842274999856} is an apocalyptic number.

It is an amenable number.

9842274999856 is an abundant number, since it is smaller than the sum of its proper divisors (10694238252784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9842274999856 is a wasteful number, since it uses less digits than its factorization.

9842274999856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525173 (or 525167 counting only the distinct ones).

The product of its digits is 5643509760, while the sum is 82.

The spelling of 9842274999856 in words is "nine trillion, eight hundred forty-two billion, two hundred seventy-four million, nine hundred ninety-nine thousand, eight hundred fifty-six".