9418773312 has 392 divisors, whose sum is σ = 30852688104. Its totient is φ = 2833698816.

The previous prime is 9418773311. The next prime is 9418773361. The reversal of 9418773312 is 2133778149.

9418773312 is a `hidden beast` number, since 94 + 187 + 73 + 312 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2892718656 + 6526054656 = 53784^2 + 80784^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9418773311) 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 55 ways as a sum of consecutive naturals, for example, 32145838 + ... + 32146130.

It is an arithmetic number, because the mean of its divisors is an integer number (78705837).

Almost surely, 2^9418773312 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 9418773312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15426344052).

9418773312 is an abundant number, since it is smaller than the sum of its proper divisors (21433914792).

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

9418773312 is a wasteful number, since it uses less digits than its factorization.

9418773312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 364 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 9418773312 is about 97050.3648215709. The cubic root of 9418773312 is about 2111.8583324397.

The spelling of 9418773312 in words is "nine billion, four hundred eighteen million, seven hundred seventy-three thousand, three hundred twelve".