4639108321 has 3 divisors (see below), whose sum is σ = 4639176433. Its totient is φ = 4639040210.

The previous prime is 4639108307. The next prime is 4639108379. The reversal of 4639108321 is 1238019364.

The square root of 4639108321 is 68111.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 4639108321 - 2¹³ = 4639100129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4639108301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 34056 + ... + 102166.

Almost surely, 2^4639108321 is an apocalyptic number.

4639108321 is the 68111-st square number.

4639108321 is the 34056-th centered octagonal number.

It is an amenable number.

4639108321 is a deficient number, since it is larger than the sum of its proper divisors (68112).

4639108321 is an frugal number, since it uses more digits than its factorization.

4639108321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136222 (or 68111 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The cubic root of 4639108321 is about 1667.8033342470.

The spelling of 4639108321 in words is "four billion, six hundred thirty-nine million, one hundred eight thousand, three hundred twenty-one".