63533199912 has 64 divisors (see below), whose sum is σ = 195486775680. Its totient is φ = 16756008192.

The previous prime is 63533199859. The next prime is 63533199949. The reversal of 63533199912 is 21999133536.

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, 14542963 + ... + 14547330.

It is an arithmetic number, because the mean of its divisors is an integer number (3054480870).

Almost surely, 2^63533199912 is an apocalyptic number.

It is an amenable number.

63533199912 is an abundant number, since it is smaller than the sum of its proper divisors (131953575768).

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

63533199912 is a wasteful number, since it uses less digits than its factorization.

63533199912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29090322 (or 29090318 counting only the distinct ones).

The product of its digits is 1180980, while the sum is 51.

The spelling of 63533199912 in words is "sixty-three billion, five hundred thirty-three million, one hundred ninety-nine thousand, nine hundred twelve".