4544343321 has 16 divisors (see below), whose sum is σ = 7332050304. Its totient is φ = 2444016384.

The previous prime is 4544343319. The next prime is 4544343361. The reversal of 4544343321 is 1233434454.

It is not a de Polignac number, because 4544343321 - 2¹ = 4544343319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4544343311) 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 15 ways as a sum of consecutive naturals, for example, 6364270 + ... + 6364983.

It is an arithmetic number, because the mean of its divisors is an integer number (458253144).

Almost surely, 2^4544343321 is an apocalyptic number.

It is an amenable number.

4544343321 is a deficient number, since it is larger than the sum of its proper divisors (2787706983).

4544343321 is a wasteful number, since it uses less digits than its factorization.

4544343321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12729280.

The product of its digits is 69120, while the sum is 33.

The square root of 4544343321 is about 67411.7446814722. The cubic root of 4544343321 is about 1656.3688132048.

Adding to 4544343321 its reverse (1233434454), we get a palindrome (5777777775).

The spelling of 4544343321 in words is "four billion, five hundred forty-four million, three hundred forty-three thousand, three hundred twenty-one".