63044644036 has 18 divisors (see below), whose sum is σ = 121269760430. Its totient is φ = 28656656160.

The previous prime is 63044644009. The next prime is 63044644037.

It is a happy number.

63044644036 is nontrivially palindromic in base 10.

63044644036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 54999630400 + 8045013636 = 234520^2 + 89694^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 63044644036.

It is not an unprimeable number, because it can be changed into a prime (63044644037) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65128281 + ... + 65129248.

Almost surely, 2^63044644036 is an apocalyptic number.

It is an amenable number.

63044644036 is a deficient number, since it is larger than the sum of its proper divisors (58225116394).

63044644036 is a wasteful number, since it uses less digits than its factorization.

63044644036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130257555 (or 130257542 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 40.

The spelling of 63044644036 in words is "sixty-three billion, forty-four million, six hundred forty-four thousand, thirty-six".