63133311632 has 20 divisors (see below), whose sum is σ = 122502566700. Its totient is φ = 31519746048.

The previous prime is 63133311617. The next prime is 63133311641. The reversal of 63133311632 is 23611333136.

It can be written as a sum of positive squares in 2 ways, for example, as 30717469696 + 32415841936 = 175264^2 + 180044^2 .

It is a super-3 number, since 3×63133311632³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2920757 + ... + 2942292.

It is an arithmetic number, because the mean of its divisors is an integer number (6125128335).

Almost surely, 2^63133311632 is an apocalyptic number.

It is an amenable number.

63133311632 is a deficient number, since it is larger than the sum of its proper divisors (59369255068).

63133311632 is a wasteful number, since it uses less digits than its factorization.

63133311632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5863730 (or 5863724 counting only the distinct ones).

The product of its digits is 17496, while the sum is 32.

Adding to 63133311632 its reverse (23611333136), we get a palindrome (86744644768).

The spelling of 63133311632 in words is "sixty-three billion, one hundred thirty-three million, three hundred eleven thousand, six hundred thirty-two".