63329368221 has 12 divisors (see below), whose sum is σ = 104543719072. Its totient is φ = 36188210376.

The previous prime is 63329368213. The next prime is 63329368241. The reversal of 63329368221 is 12286392336.

63329368221 is a `hidden beast` number, since 6 + 332 + 93 + 6 + 8 + 221 = 666.

It is not a de Polignac number, because 63329368221 - 2³ = 63329368213 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 (63329368241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 502613971 + ... + 502614096.

Almost surely, 2^63329368221 is an apocalyptic number.

It is an amenable number.

63329368221 is a deficient number, since it is larger than the sum of its proper divisors (41214350851).

63329368221 is a wasteful number, since it uses less digits than its factorization.

63329368221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005228080 (or 1005228077 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The spelling of 63329368221 in words is "sixty-three billion, three hundred twenty-nine million, three hundred sixty-eight thousand, two hundred twenty-one".