63523722732536 has 64 divisors (see below), whose sum is σ = 132128882208000. Its totient is φ = 28390489980160.

The previous prime is 63523722732521. The next prime is 63523722732697.

63523722732536 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×63523722732536² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21253916 + ... + 24057771.

It is an arithmetic number, because the mean of its divisors is an integer number (2064513784500).

Almost surely, 2^{63523722732536} is an apocalyptic number.

It is an amenable number.

63523722732536 is an abundant number, since it is smaller than the sum of its proper divisors (68605159475464).

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

63523722732536 is a wasteful number, since it uses less digits than its factorization.

63523722732536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45311972 (or 45311968 counting only the distinct ones).

The product of its digits is 57153600, while the sum is 56.

The spelling of 63523722732536 in words is "sixty-three trillion, five hundred twenty-three billion, seven hundred twenty-two million, seven hundred thirty-two thousand, five hundred thirty-six".