4721312517 has 16 divisors (see below), whose sum is σ = 6561726912. Its totient is φ = 3016759680.

The previous prime is 4721312509. The next prime is 4721312521. The reversal of 4721312517 is 7152131274.

4721312517 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 4721312517 - 2³ = 4721312509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4721312597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309984 + ... + 324857.

It is an arithmetic number, because the mean of its divisors is an integer number (410107932).

Almost surely, 2^4721312517 is an apocalyptic number.

It is an amenable number.

4721312517 is a deficient number, since it is larger than the sum of its proper divisors (1840414395).

4721312517 is a wasteful number, since it uses less digits than its factorization.

4721312517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634948.

The product of its digits is 11760, while the sum is 33.

The square root of 4721312517 is about 68711.8076970763. The cubic root of 4721312517 is about 1677.5967760812.

The spelling of 4721312517 in words is "four billion, seven hundred twenty-one million, three hundred twelve thousand, five hundred seventeen".