63558272618063 has 4 divisors (see below), whose sum is σ = 64043450271768. Its totient is φ = 63073094964360.

The previous prime is 63558272618051. The next prime is 63558272618149. The reversal of 63558272618063 is 36081627285536.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63558272618063 - 2¹⁶ = 63558272552527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63558272617987 and 63558272618005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63558272618033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242588826656 + ... + 242588826917.

It is an arithmetic number, because the mean of its divisors is an integer number (16010862567942).

Almost surely, 2^{63558272618063} is an apocalyptic number.

63558272618063 is a deficient number, since it is larger than the sum of its proper divisors (485177653705).

63558272618063 is a wasteful number, since it uses less digits than its factorization.

63558272618063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485177653704.

The product of its (nonzero) digits is 87091200, while the sum is 62.

The spelling of 63558272618063 in words is "sixty-three trillion, five hundred fifty-eight billion, two hundred seventy-two million, six hundred eighteen thousand, sixty-three".