63243434236 has 24 divisors (see below), whose sum is σ = 115516477440. Its totient is φ = 30239404272.

The previous prime is 63243434209. The next prime is 63243434269.

63243434236 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299985 + ... + 465271.

It is an arithmetic number, because the mean of its divisors is an integer number (4813186560).

Almost surely, 2^63243434236 is an apocalyptic number.

It is an amenable number.

63243434236 is a deficient number, since it is larger than the sum of its proper divisors (52273043204).

63243434236 is a wasteful number, since it uses less digits than its factorization.

63243434236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169473 (or 169471 counting only the distinct ones).

The product of its digits is 746496, while the sum is 40.

The spelling of 63243434236 in words is "sixty-three billion, two hundred forty-three million, four hundred thirty-four thousand, two hundred thirty-six".