8539213912 has 16 divisors (see below), whose sum is σ = 16012635840. Its totient is φ = 4269177696.

The previous prime is 8539213801. The next prime is 8539213913. The reversal of 8539213912 is 2193129358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8539213913) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 40633 + ... + 136855.

It is an arithmetic number, because the mean of its divisors is an integer number (1000789740).

Almost surely, 2^8539213912 is an apocalyptic number.

It is an amenable number.

8539213912 is a deficient number, since it is larger than the sum of its proper divisors (7473421928).

8539213912 is a wasteful number, since it uses less digits than its factorization.

8539213912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107322 (or 107318 counting only the distinct ones).

The product of its digits is 116640, while the sum is 43.

The square root of 8539213912 is about 92407.8671542634. The cubic root of 8539213912 is about 2043.9611226478.

The spelling of 8539213912 in words is "eight billion, five hundred thirty-nine million, two hundred thirteen thousand, nine hundred twelve".