63442181063 has 8 divisors (see below), whose sum is σ = 63601264848. Its totient is φ = 63283169664.

The previous prime is 63442181027. The next prime is 63442181081. The reversal of 63442181063 is 36018124436.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63442181063 - 2²⁶ = 63375072199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63442381063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2020895 + ... + 2052047.

It is an arithmetic number, because the mean of its divisors is an integer number (7950158106).

Almost surely, 2^63442181063 is an apocalyptic number.

63442181063 is a deficient number, since it is larger than the sum of its proper divisors (159083785).

63442181063 is a wasteful number, since it uses less digits than its factorization.

63442181063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36193.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 63442181063 in words is "sixty-three billion, four hundred forty-two million, one hundred eighty-one thousand, sixty-three".