4613331372221 has 16 divisors (see below), whose sum is σ = 5535173968128. Its totient is φ = 3788958360000.

The previous prime is 4613331372157. The next prime is 4613331372229. The reversal of 4613331372221 is 1222731333164.

It is not a de Polignac number, because 4613331372221 - 2⁶ = 4613331372157 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 (4613331372229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343196030 + ... + 343209471.

It is an arithmetic number, because the mean of its divisors is an integer number (345948373008).

Almost surely, 2^{4613331372221} is an apocalyptic number.

It is an amenable number.

4613331372221 is a deficient number, since it is larger than the sum of its proper divisors (921842595907).

4613331372221 is a wasteful number, since it uses less digits than its factorization.

4613331372221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686405572.

The product of its digits is 108864, while the sum is 38.

The spelling of 4613331372221 in words is "four trillion, six hundred thirteen billion, three hundred thirty-one million, three hundred seventy-two thousand, two hundred twenty-one".