63355472171 has 4 divisors (see below), whose sum is σ = 63356698200. Its totient is φ = 63354246144.

The previous prime is 63355472149. The next prime is 63355472207. The reversal of 63355472171 is 17127455336.

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 63355472171 - 2⁶ = 63355472107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63355472101) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 531926 + ... + 640043.

It is an arithmetic number, because the mean of its divisors is an integer number (15839174550).

Almost surely, 2^63355472171 is an apocalyptic number.

63355472171 is a deficient number, since it is larger than the sum of its proper divisors (1226029).

63355472171 is a wasteful number, since it uses less digits than its factorization.

63355472171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226028.

The product of its digits is 529200, while the sum is 44.

The spelling of 63355472171 in words is "sixty-three billion, three hundred fifty-five million, four hundred seventy-two thousand, one hundred seventy-one".