2118616339 has 4 divisors (see below), whose sum is σ = 2421275824. Its totient is φ = 1815956856.

The previous prime is 2118616333. The next prime is 2118616351. The reversal of 2118616339 is 9336168112.

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

It is not a de Polignac number, because 2118616339 - 2¹¹ = 2118614291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2118616333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151329732 + ... + 151329745.

It is an arithmetic number, because the mean of its divisors is an integer number (605318956).

Almost surely, 2^2118616339 is an apocalyptic number.

2118616339 is a deficient number, since it is larger than the sum of its proper divisors (302659485).

2118616339 is an equidigital number, since it uses as much as digits as its factorization.

2118616339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302659484.

The product of its digits is 46656, while the sum is 40.

The square root of 2118616339 is about 46028.4296820997. The cubic root of 2118616339 is about 1284.3521165850.

The spelling of 2118616339 in words is "two billion, one hundred eighteen million, six hundred sixteen thousand, three hundred thirty-nine".