63536063536 has 120 divisors (see below), whose sum is σ = 143149886928. Its totient is φ = 27086400000.

The previous prime is 63536063467. The next prime is 63536063557.

It is a happy number.

63536063536 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6412186 + ... + 6422086.

Almost surely, 2^63536063536 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 63536063536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71574943464).

63536063536 is an abundant number, since it is smaller than the sum of its proper divisors (79613823392).

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

63536063536 is a wasteful number, since it uses less digits than its factorization.

63536063536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10059 (or 10034 counting only the distinct ones).

The product of its (nonzero) digits is 2624400, while the sum is 46.

It can be divided in two parts, 635360 and 63536, that added together give a palindrome (698896).

The spelling of 63536063536 in words is "sixty-three billion, five hundred thirty-six million, sixty-three thousand, five hundred thirty-six".