9318942426816 has 672 divisors, whose sum is σ = 31491075732480. Its totient is φ = 2706446131200.

The previous prime is 9318942426797. The next prime is 9318942426853. The reversal of 9318942426816 is 6186242498139.

9318942426816 is a `hidden beast` number, since 9 + 3 + 189 + 424 + 26 + 8 + 1 + 6 = 666.

It is a super-2 number, since 2×9318942426816² (a number of 27 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 679662201 + ... + 679675911.

It is an arithmetic number, because the mean of its divisors is an integer number (46861719840).

Almost surely, 2^{9318942426816} is an apocalyptic number.

9318942426816 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9318942426816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15745537866240).

9318942426816 is an abundant number, since it is smaller than the sum of its proper divisors (22172133305664).

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

9318942426816 is a wasteful number, since it uses less digits than its factorization.

9318942426816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13915 (or 13893 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 63.

The spelling of 9318942426816 in words is "nine trillion, three hundred eighteen billion, nine hundred forty-two million, four hundred twenty-six thousand, eight hundred sixteen".