8243402812 has 12 divisors (see below), whose sum is σ = 14431059720. Its totient is φ = 4120242896.

The previous prime is 8243402779. The next prime is 8243402879. The reversal of 8243402812 is 2182043428.

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, 351862 + ... + 374557.

It is an arithmetic number, because the mean of its divisors is an integer number (1202588310).

Almost surely, 2^8243402812 is an apocalyptic number.

It is an amenable number.

8243402812 is a deficient number, since it is larger than the sum of its proper divisors (6187656908).

8243402812 is a wasteful number, since it uses less digits than its factorization.

8243402812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729260 (or 729258 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 8243402812 is about 90793.1870351515. The cubic root of 8243402812 is about 2020.0812642535.

The spelling of 8243402812 in words is "eight billion, two hundred forty-three million, four hundred two thousand, eight hundred twelve".