6327663321 has 16 divisors (see below), whose sum is σ = 9644575104. Its totient is φ = 3614899584.

The previous prime is 6327663319. The next prime is 6327663403. The reversal of 6327663321 is 1233667236.

It is a happy number.

It is not a de Polignac number, because 6327663321 - 2¹ = 6327663319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6327663321.

It is not an unprimeable number, because it can be changed into a prime (6327663421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52831 + ... + 124283.

It is an arithmetic number, because the mean of its divisors is an integer number (602785944).

Almost surely, 2^6327663321 is an apocalyptic number.

It is an amenable number.

6327663321 is a deficient number, since it is larger than the sum of its proper divisors (3316911783).

6327663321 is a wasteful number, since it uses less digits than its factorization.

6327663321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75680.

The product of its digits is 163296, while the sum is 39.

The square root of 6327663321 is about 79546.6109963209. The cubic root of 6327663321 is about 1849.6140729917.

The spelling of 6327663321 in words is "six billion, three hundred twenty-seven million, six hundred sixty-three thousand, three hundred twenty-one".