4724811721 has 12 divisors (see below), whose sum is σ = 5505606288. Its totient is φ = 4042914792.

The previous prime is 4724811673. The next prime is 4724811727. The reversal of 4724811721 is 1271184274.

4724811721 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4724811721 - 2¹¹ = 4724809673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4724811727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53371 + ... + 110896.

It is an arithmetic number, because the mean of its divisors is an integer number (458800524).

Almost surely, 2^4724811721 is an apocalyptic number.

It is an amenable number.

4724811721 is a deficient number, since it is larger than the sum of its proper divisors (780794567).

4724811721 is a wasteful number, since it uses less digits than its factorization.

4724811721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164868 (or 164861 counting only the distinct ones).

The product of its digits is 25088, while the sum is 37.

The square root of 4724811721 is about 68737.2658824891. The cubic root of 4724811721 is about 1678.0111243990.

Adding to 4724811721 its reverse (1271184274), we get a palindrome (5995995995).

The spelling of 4724811721 in words is "four billion, seven hundred twenty-four million, eight hundred eleven thousand, seven hundred twenty-one".