63171010065 has 32 divisors (see below), whose sum is σ = 105843614976. Its totient is φ = 32111636480.

The previous prime is 63171010037. The next prime is 63171010079. The reversal of 63171010065 is 56001017136.

It is not a de Polignac number, because 63171010065 - 2⁹ = 63171009553 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228864 + ... + 422753.

It is an arithmetic number, because the mean of its divisors is an integer number (3307612968).

Almost surely, 2^63171010065 is an apocalyptic number.

It is an amenable number.

63171010065 is a deficient number, since it is larger than the sum of its proper divisors (42672604911).

63171010065 is a wasteful number, since it uses less digits than its factorization.

63171010065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651929.

The product of its (nonzero) digits is 3780, while the sum is 30.

The spelling of 63171010065 in words is "sixty-three billion, one hundred seventy-one million, ten thousand, sixty-five".