2118241937 has 8 divisors (see below), whose sum is σ = 2466524736. Its totient is φ = 1781378352.

The previous prime is 2118241933. The next prime is 2118241967. The reversal of 2118241937 is 7391428112.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2118241937 - 2² = 2118241933 is a prime.

It is a super-3 number, since 3×2118241937³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2118241937.

It is not an unprimeable number, because it can be changed into a prime (2118241933) 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, 2854403 + ... + 2855144.

It is an arithmetic number, because the mean of its divisors is an integer number (308315592).

Almost surely, 2^2118241937 is an apocalyptic number.

It is an amenable number.

2118241937 is a deficient number, since it is larger than the sum of its proper divisors (348282799).

2118241937 is an equidigital number, since it uses as much as digits as its factorization.

2118241937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5709607.

The product of its digits is 24192, while the sum is 38.

The square root of 2118241937 is about 46024.3624290440. The cubic root of 2118241937 is about 1284.2764552015.

The spelling of 2118241937 in words is "two billion, one hundred eighteen million, two hundred forty-one thousand, nine hundred thirty-seven".