63567481796912 has 20 divisors (see below), whose sum is σ = 127408961361120. Its totient is φ = 30687749832768.

The previous prime is 63567481796911. The next prime is 63567481796927. The reversal of 63567481796912 is 21969718476536.

It is a self number, because there is not a number n which added to its sum of digits gives 63567481796912.

It is not an unprimeable number, because it can be changed into a prime (63567481796911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68499441128 + ... + 68499442055.

It is an arithmetic number, because the mean of its divisors is an integer number (6370448068056).

Almost surely, 2^{63567481796912} is an apocalyptic number.

It is an amenable number.

63567481796912 is an abundant number, since it is smaller than the sum of its proper divisors (63841479564208).

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

63567481796912 is a wasteful number, since it uses less digits than its factorization.

63567481796912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136998883220 (or 136998883214 counting only the distinct ones).

The product of its digits is 823011840, while the sum is 74.

The spelling of 63567481796912 in words is "sixty-three trillion, five hundred sixty-seven billion, four hundred eighty-one million, seven hundred ninety-six thousand, nine hundred twelve".