8210989912 has 16 divisors (see below), whose sum is σ = 15647994000. Its totient is φ = 4038191520.

The previous prime is 8210989901. The next prime is 8210989981. The reversal of 8210989912 is 2199890128.

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 3 ways as a sum of consecutive naturals, for example, 8412412 + ... + 8413387.

It is an arithmetic number, because the mean of its divisors is an integer number (977999625).

Almost surely, 2^8210989912 is an apocalyptic number.

It is an amenable number.

8210989912 is a deficient number, since it is larger than the sum of its proper divisors (7437004088).

8210989912 is a wasteful number, since it uses less digits than its factorization.

8210989912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16825866 (or 16825862 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 49.

The square root of 8210989912 is about 90614.5127007810. The cubic root of 8210989912 is about 2017.4301463776.

The spelling of 8210989912 in words is "eight billion, two hundred ten million, nine hundred eighty-nine thousand, nine hundred twelve".