63843234836 has 24 divisors (see below), whose sum is σ = 113006710656. Its totient is φ = 31556583200.

The previous prime is 63843234809. The next prime is 63843234841.

63843234836 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139265 + ... + 383511.

It is an arithmetic number, because the mean of its divisors is an integer number (4708612944).

Almost surely, 2^63843234836 is an apocalyptic number.

It is an amenable number.

63843234836 is a deficient number, since it is larger than the sum of its proper divisors (49163475820).

63843234836 is a wasteful number, since it uses less digits than its factorization.

63843234836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244999 (or 244997 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 50.

The spelling of 63843234836 in words is "sixty-three billion, eight hundred forty-three million, two hundred thirty-four thousand, eight hundred thirty-six".