5438111109 has 8 divisors (see below), whose sum is σ = 7484712192. Its totient is φ = 3508458720.

The previous prime is 5438111093. The next prime is 5438111167. The reversal of 5438111109 is 9011118345.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5438111109 - 2⁴ = 5438111093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5438111109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5438110109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29237064 + ... + 29237249.

It is an arithmetic number, because the mean of its divisors is an integer number (935589024).

Almost surely, 2^5438111109 is an apocalyptic number.

It is an amenable number.

5438111109 is a deficient number, since it is larger than the sum of its proper divisors (2046601083).

5438111109 is a wasteful number, since it uses less digits than its factorization.

5438111109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58474347.

The product of its (nonzero) digits is 4320, while the sum is 33.

The square root of 5438111109 is about 73743.5496094404. The cubic root of 5438111109 is about 1758.5282881421.

The spelling of 5438111109 in words is "five billion, four hundred thirty-eight million, one hundred eleven thousand, one hundred nine".