63541446663 has 16 divisors (see below), whose sum is σ = 85931145216. Its totient is φ = 41756578080.

The previous prime is 63541446659. The next prime is 63541446743. The reversal of 63541446663 is 36664414536.

It is a happy number.

63541446663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63541446663 - 2² = 63541446659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63541436663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1263345 + ... + 1312677.

It is an arithmetic number, because the mean of its divisors is an integer number (5370696576).

Almost surely, 2^63541446663 is an apocalyptic number.

63541446663 is a deficient number, since it is larger than the sum of its proper divisors (22389698553).

63541446663 is a wasteful number, since it uses less digits than its factorization.

63541446663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55454.

The product of its digits is 3732480, while the sum is 48.

The spelling of 63541446663 in words is "sixty-three billion, five hundred forty-one million, four hundred forty-six thousand, six hundred sixty-three".