8381509068 has 24 divisors (see below), whose sum is σ = 19877460400. Its totient is φ = 2748035520.

The previous prime is 8381509061. The next prime is 8381509079. The reversal of 8381509068 is 8609051838.

It is not an unprimeable number, because it can be changed into a prime (8381509061) 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, 5724343 + ... + 5725806.

Almost surely, 2^8381509068 is an apocalyptic number.

It is an amenable number.

8381509068 is an abundant number, since it is smaller than the sum of its proper divisors (11495951332).

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

8381509068 is a wasteful number, since it uses less digits than its factorization.

8381509068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11450217 (or 11450215 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 8381509068 is about 91550.5820189036. The cubic root of 8381509068 is about 2031.3000213032.

The spelling of 8381509068 in words is "eight billion, three hundred eighty-one million, five hundred nine thousand, sixty-eight".