63344644336 has 40 divisors (see below), whose sum is σ = 123056637264. Its totient is φ = 31588208640.

The previous prime is 63344644289. The next prime is 63344644361.

It is a happy number.

63344644336 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, 11639376 + ... + 11644816.

Almost surely, 2^63344644336 is an apocalyptic number.

It is an amenable number.

63344644336 is a deficient number, since it is larger than the sum of its proper divisors (59711992928).

63344644336 is a wasteful number, since it uses less digits than its factorization.

63344644336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7249 (or 7243 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 46.

The spelling of 63344644336 in words is "sixty-three billion, three hundred forty-four million, six hundred forty-four thousand, three hundred thirty-six".