63543602432 has 36 divisors (see below), whose sum is σ = 133514734080. Its totient is φ = 30099598848.

The previous prime is 63543602431. The next prime is 63543602443. The reversal of 63543602432 is 23420634536.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63543602431) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6527168 + ... + 6536895.

Almost surely, 2^63543602432 is an apocalyptic number.

It is an amenable number.

63543602432 is an abundant number, since it is smaller than the sum of its proper divisors (69971131648).

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

63543602432 is a wasteful number, since it uses less digits than its factorization.

63543602432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13064098 (or 13064084 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 38.

The spelling of 63543602432 in words is "sixty-three billion, five hundred forty-three million, six hundred two thousand, four hundred thirty-two".