9874342816 has 72 divisors (see below), whose sum is σ = 21105402444. Its totient is φ = 4545515520.

The previous prime is 9874342813. The next prime is 9874342823. The reversal of 9874342816 is 6182434789.

It can be written as a sum of positive squares in 6 ways, for example, as 875923216 + 8998419600 = 29596^2 + 94860^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (9874342813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2274600 + ... + 2278936.

Almost surely, 2^9874342816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9874342816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10552701222).

9874342816 is an abundant number, since it is smaller than the sum of its proper divisors (11231059628).

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

9874342816 is a wasteful number, since it uses less digits than its factorization.

9874342816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4794 (or 4773 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 52.

The square root of 9874342816 is about 99369.7278651803. The cubic root of 9874342816 is about 2145.3726196864.

The spelling of 9874342816 in words is "nine billion, eight hundred seventy-four million, three hundred forty-two thousand, eight hundred sixteen".