4917232021 has 16 divisors (see below), whose sum is σ = 5395154688. Its totient is φ = 4453905600.

The previous prime is 4917232013. The next prime is 4917232043. The reversal of 4917232021 is 1202327194.

It is a cyclic number.

It is not a de Polignac number, because 4917232021 - 2³ = 4917232013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4917232421) 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, 334590 + ... + 348976.

It is an arithmetic number, because the mean of its divisors is an integer number (337197168).

Almost surely, 2^4917232021 is an apocalyptic number.

It is an amenable number.

4917232021 is a deficient number, since it is larger than the sum of its proper divisors (477922667).

4917232021 is a wasteful number, since it uses less digits than its factorization.

4917232021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14892.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 4917232021 is about 70122.9778389366. The cubic root of 4917232021 is about 1700.4879822881.

The spelling of 4917232021 in words is "four billion, nine hundred seventeen million, two hundred thirty-two thousand, twenty-one".