5321821724 has 12 divisors (see below), whose sum is σ = 9315331200. Its totient is φ = 2660298528.

The previous prime is 5321821723. The next prime is 5321821783. The reversal of 5321821724 is 4271281235.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5321821721) 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, 133244 + ... + 168515.

It is an arithmetic number, because the mean of its divisors is an integer number (776277600).

Almost surely, 2^5321821724 is an apocalyptic number.

It is an amenable number.

5321821724 is a deficient number, since it is larger than the sum of its proper divisors (3993509476).

5321821724 is a wasteful number, since it uses less digits than its factorization.

5321821724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306172 (or 306170 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 5321821724 is about 72950.8171578633. The cubic root of 5321821724 is about 1745.9029843483.

The spelling of 5321821724 in words is "five billion, three hundred twenty-one million, eight hundred twenty-one thousand, seven hundred twenty-four".