63363006636 has 96 divisors (see below), whose sum is σ = 160663523328. Its totient is φ = 19377684480.

The previous prime is 63363006607. The next prime is 63363006643. The reversal of 63363006636 is 63660036336.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 934060 + ... + 999596.

It is an arithmetic number, because the mean of its divisors is an integer number (1673578368).

Almost surely, 2^63363006636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63363006636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80331761664).

63363006636 is an abundant number, since it is smaller than the sum of its proper divisors (97300516692).

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

63363006636 is a wasteful number, since it uses less digits than its factorization.

63363006636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65711 (or 65709 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 42.

The spelling of 63363006636 in words is "sixty-three billion, three hundred sixty-three million, six thousand, six hundred thirty-six".