63445644654436 has 48 divisors (see below), whose sum is σ = 121412271476160. Its totient is φ = 28770256944000.

The previous prime is 63445644654419. The next prime is 63445644654503.

63445644654436 is nontrivially palindromic in base 10.

63445644654436 is digitally balanced in base 5, 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 15 ways as a sum of consecutive naturals, for example, 30008206 + ... + 32052826.

It is an arithmetic number, because the mean of its divisors is an integer number (2529422322420).

Almost surely, 2^{63445644654436} is an apocalyptic number.

It is an amenable number.

63445644654436 is a deficient number, since it is larger than the sum of its proper divisors (57966626821724).

63445644654436 is a wasteful number, since it uses less digits than its factorization.

63445644654436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046316 (or 2046314 counting only the distinct ones).

The product of its digits is 1194393600, while the sum is 64.

The spelling of 63445644654436 in words is "sixty-three trillion, four hundred forty-five billion, six hundred forty-four million, six hundred fifty-four thousand, four hundred thirty-six".