2118241939 has 16 divisors (see below), whose sum is σ = 2449171296. Its totient is φ = 1810598400.

The previous prime is 2118241933. The next prime is 2118241967. The reversal of 2118241939 is 9391428112.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2118241939 - 2⁹ = 2118241427 is a prime.

It is a super-3 number, since 3×2118241939³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2118241933) 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 15 ways as a sum of consecutive naturals, for example, 203809 + ... + 213949.

It is an arithmetic number, because the mean of its divisors is an integer number (153073206).

Almost surely, 2^2118241939 is an apocalyptic number.

2118241939 is a deficient number, since it is larger than the sum of its proper divisors (330929357).

2118241939 is a wasteful number, since it uses less digits than its factorization.

2118241939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11286.

The product of its digits is 31104, while the sum is 40.

The square root of 2118241939 is about 46024.3624507717. The cubic root of 2118241939 is about 1284.2764556057.

The spelling of 2118241939 in words is "two billion, one hundred eighteen million, two hundred forty-one thousand, nine hundred thirty-nine".