63630003636 has 144 divisors (see below), whose sum is σ = 168965072640. Its totient is φ = 20170425600.

The previous prime is 63630003611. The next prime is 63630003637.

63630003636 is nontrivially palindromic in base 10.

63630003636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 63630003636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63630003637) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10625035 + ... + 10631021.

It is an arithmetic number, because the mean of its divisors is an integer number (1173368560).

Almost surely, 2^63630003636 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 63630003636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84482536320).

63630003636 is an abundant number, since it is smaller than the sum of its proper divisors (105335069004).

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

63630003636 is a wasteful number, since it uses less digits than its factorization.

63630003636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6214 (or 6209 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 36.

It can be divided in two parts, 6363000 and 3636, that added together give a palindrome (6366636).

The spelling of 63630003636 in words is "sixty-three billion, six hundred thirty million, three thousand, six hundred thirty-six".