8493181312 has 256 divisors, whose sum is σ = 21890995200. Its totient is φ = 3186892800.

The previous prime is 8493181303. The next prime is 8493181337. The reversal of 8493181312 is 2131813948.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37088014 + ... + 37088242.

It is an arithmetic number, because the mean of its divisors is an integer number (85511700).

Almost surely, 2^8493181312 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 8493181312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10945497600).

8493181312 is an abundant number, since it is smaller than the sum of its proper divisors (13397813888).

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

8493181312 is a wasteful number, since it uses less digits than its factorization.

8493181312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385 (or 373 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The square root of 8493181312 is about 92158.4576259824. The cubic root of 8493181312 is about 2040.2816886426.

The spelling of 8493181312 in words is "eight billion, four hundred ninety-three million, one hundred eighty-one thousand, three hundred twelve".