63434063543552 has 72 divisors (see below), whose sum is σ = 136362994964616. Its totient is φ = 29276695166976.

The previous prime is 63434063543551. The next prime is 63434063543561. The reversal of 63434063543552 is 25534536043436.

It can be written as a sum of positive squares in 4 ways, for example, as 9521816033536 + 53912247510016 = 3085744^2 + 7342496^2 .

It is a junction number, because it is equal to n+sod(n) for n = 63434063543494 and 63434063543503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63434063543551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207571088 + ... + 207876464.

Almost surely, 2^{63434063543552} is an apocalyptic number.

It is an amenable number.

63434063543552 is an abundant number, since it is smaller than the sum of its proper divisors (72928931421064).

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

63434063543552 is a wasteful number, since it uses less digits than its factorization.

63434063543552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367823 (or 367809 counting only the distinct ones).

The product of its (nonzero) digits is 46656000, while the sum is 53.

Adding to 63434063543552 its reverse (25534536043436), we get a palindrome (88968599586988).

The spelling of 63434063543552 in words is "sixty-three trillion, four hundred thirty-four billion, sixty-three million, five hundred forty-three thousand, five hundred fifty-two".