5519330321 has 4 divisors (see below), whose sum is σ = 5527115700. Its totient is φ = 5511544944.

The previous prime is 5519330287. The next prime is 5519330353. The reversal of 5519330321 is 1230339155.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3007315921 + 2512014400 = 54839^2 + 50120^2 .

It is a cyclic number.

It is not a de Polignac number, because 5519330321 - 2¹⁴ = 5519313937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5519330021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3891626 + ... + 3893043.

It is an arithmetic number, because the mean of its divisors is an integer number (1381778925).

Almost surely, 2^5519330321 is an apocalyptic number.

It is an amenable number.

5519330321 is a deficient number, since it is larger than the sum of its proper divisors (7785379).

5519330321 is an equidigital number, since it uses as much as digits as its factorization.

5519330321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7785378.

The product of its (nonzero) digits is 12150, while the sum is 32.

The square root of 5519330321 is about 74292.1955591568. The cubic root of 5519330321 is about 1767.2397123158.

Adding to 5519330321 its reverse (1230339155), we get a palindrome (6749669476).

The spelling of 5519330321 in words is "five billion, five hundred nineteen million, three hundred thirty thousand, three hundred twenty-one".