63171010063 has 36 divisors (see below), whose sum is σ = 75738255600. Its totient is φ = 52666336800.

The previous prime is 63171010037. The next prime is 63171010079. The reversal of 63171010063 is 36001017136.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 63171010063 - 2²⁵ = 63137455631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63171010363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 190848808 + ... + 190849138.

Almost surely, 2^63171010063 is an apocalyptic number.

63171010063 is a deficient number, since it is larger than the sum of its proper divisors (12567245537).

63171010063 is an frugal number, since it uses more digits than its factorization.

63171010063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

Multiplying 63171010063 by its sum of digits (28), we get a square (1768788281764 = 1329958²).

Multiplying 63171010063 by its product of nonzero digits (2268), we get a square (143271850822884 = 11969622²).

Adding to 63171010063 its reverse (36001017136), we get a palindrome (99172027199).

The spelling of 63171010063 in words is "sixty-three billion, one hundred seventy-one million, ten thousand, sixty-three".