4338220691 has 4 divisors (see below), whose sum is σ = 4957966512. Its totient is φ = 3718474872.

The previous prime is 4338220687. The next prime is 4338220697. The reversal of 4338220691 is 1960228334.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4338220691 - 2² = 4338220687 is a prime.

It is a super-3 number, since 3×4338220691³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4338220697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309872900 + ... + 309872913.

It is an arithmetic number, because the mean of its divisors is an integer number (1239491628).

Almost surely, 2^4338220691 is an apocalyptic number.

4338220691 is a deficient number, since it is larger than the sum of its proper divisors (619745821).

4338220691 is an equidigital number, since it uses as much as digits as its factorization.

4338220691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619745820.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 4338220691 is about 65865.1705455926. The cubic root of 4338220691 is about 1630.9371066445.

The spelling of 4338220691 in words is "four billion, three hundred thirty-eight million, two hundred twenty thousand, six hundred ninety-one".