6371329321 has 12 divisors (see below), whose sum is σ = 7413033540. Its totient is φ = 5460043680.

The previous prime is 6371329277. The next prime is 6371329339. The reversal of 6371329321 is 1239231736.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4591417600 + 1779911721 = 67760^2 + 42189^2 .

It is not a de Polignac number, because 6371329321 - 2¹⁵ = 6371296553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6371327321) 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 11 ways as a sum of consecutive naturals, for example, 319051 + ... + 338431.

It is an arithmetic number, because the mean of its divisors is an integer number (617752795).

Almost surely, 2^6371329321 is an apocalyptic number.

It is an amenable number.

6371329321 is a deficient number, since it is larger than the sum of its proper divisors (1041704219).

6371329321 is a wasteful number, since it uses less digits than its factorization.

6371329321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26104 (or 26097 counting only the distinct ones).

The product of its digits is 40824, while the sum is 37.

The square root of 6371329321 is about 79820.6071199662. The cubic root of 6371329321 is about 1853.8589351229.

The spelling of 6371329321 in words is "six billion, three hundred seventy-one million, three hundred twenty-nine thousand, three hundred twenty-one".