4718752521 has 16 divisors (see below), whose sum is σ = 7211827584. Its totient is φ = 2688424704.

The previous prime is 4718752517. The next prime is 4718752529. The reversal of 4718752521 is 1252578174.

It is not a de Polignac number, because 4718752521 - 2² = 4718752517 is a prime.

It is a super-3 number, since 3×4718752521³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4718752529) 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, 326310 + ... + 340463.

It is an arithmetic number, because the mean of its divisors is an integer number (450739224).

Almost surely, 2^4718752521 is an apocalyptic number.

It is an amenable number.

4718752521 is a deficient number, since it is larger than the sum of its proper divisors (2493075063).

4718752521 is a wasteful number, since it uses less digits than its factorization.

4718752521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667120.

The product of its digits is 156800, while the sum is 42.

The square root of 4718752521 is about 68693.1766698848. The cubic root of 4718752521 is about 1677.2935117191.

The spelling of 4718752521 in words is "four billion, seven hundred eighteen million, seven hundred fifty-two thousand, five hundred twenty-one".