5333979721 has 24 divisors (see below), whose sum is σ = 6589665576. Its totient is φ = 4290048000.

The previous prime is 5333979689. The next prime is 5333979743. The reversal of 5333979721 is 1279793335.

It can be written as a sum of positive squares in 4 ways, for example, as 275925321 + 5058054400 = 16611^2 + 71120^2 .

It is not a de Polignac number, because 5333979721 - 2⁵ = 5333979689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5333977721) 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 23 ways as a sum of consecutive naturals, for example, 271221 + ... + 290221.

It is an arithmetic number, because the mean of its divisors is an integer number (274569399).

Almost surely, 2^5333979721 is an apocalyptic number.

It is an amenable number.

5333979721 is a deficient number, since it is larger than the sum of its proper divisors (1255685855).

5333979721 is a wasteful number, since it uses less digits than its factorization.

5333979721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19369 (or 19362 counting only the distinct ones).

The product of its digits is 1071630, while the sum is 49.

The square root of 5333979721 is about 73034.0997137638. The cubic root of 5333979721 is about 1747.2315105760.

The spelling of 5333979721 in words is "five billion, three hundred thirty-three million, nine hundred seventy-nine thousand, seven hundred twenty-one".