63984648936 has 32 divisors (see below), whose sum is σ = 172266363360. Its totient is φ = 19687584192.

The previous prime is 63984648929. The next prime is 63984648941.

63984648936 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×63984648936³ (a number of 33 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 102539190 + ... + 102539813.

It is an arithmetic number, because the mean of its divisors is an integer number (5383323855).

Almost surely, 2^63984648936 is an apocalyptic number.

It is an amenable number.

63984648936 is an abundant number, since it is smaller than the sum of its proper divisors (108281714424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63984648936 is a wasteful number, since it uses less digits than its factorization.

63984648936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205079025 (or 205079021 counting only the distinct ones).

The product of its digits is 161243136, while the sum is 66.

The spelling of 63984648936 in words is "sixty-three billion, nine hundred eighty-four million, six hundred forty-eight thousand, nine hundred thirty-six".