63421368236 has 12 divisors (see below), whose sum is σ = 111012051528. Its totient is φ = 31703639232.

The previous prime is 63421368209. The next prime is 63421368247. The reversal of 63421368236 is 63286312436.

63421368236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1740941 + ... + 1776996.

It is an arithmetic number, because the mean of its divisors is an integer number (9251004294).

Almost surely, 2^63421368236 is an apocalyptic number.

It is an amenable number.

63421368236 is a deficient number, since it is larger than the sum of its proper divisors (47590683292).

63421368236 is a wasteful number, since it uses less digits than its factorization.

63421368236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3522448 (or 3522446 counting only the distinct ones).

The product of its digits is 746496, while the sum is 44.

The spelling of 63421368236 in words is "sixty-three billion, four hundred twenty-one million, three hundred sixty-eight thousand, two hundred thirty-six".