63434063543532 has 96 divisors (see below), whose sum is σ = 162305045844480. Its totient is φ = 19122878046720.

The previous prime is 63434063543531. The next prime is 63434063543551. The reversal of 63434063543532 is 23534536043436.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (63434063543531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 260100144 + ... + 260343912.

It is an arithmetic number, because the mean of its divisors is an integer number (1690677560880).

Almost surely, 2^{63434063543532} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63434063543532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81152522922240).

63434063543532 is an abundant number, since it is smaller than the sum of its proper divisors (98870982300948).

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

63434063543532 is a wasteful number, since it uses less digits than its factorization.

63434063543532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253991 (or 253989 counting only the distinct ones).

The product of its (nonzero) digits is 27993600, while the sum is 51.

Adding to 63434063543532 its reverse (23534536043436), we get a palindrome (86968599586968).

The spelling of 63434063543532 in words is "sixty-three trillion, four hundred thirty-four billion, sixty-three million, five hundred forty-three thousand, five hundred thirty-two".