2118241938 has 16 divisors (see below), whose sum is σ = 4240489536. Its totient is φ = 705413040.

The previous prime is 2118241933. The next prime is 2118241967. The reversal of 2118241938 is 8391428112.

2118241938 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2118241938³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2118241896 and 2118241905.

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, 160006 + ... + 172737.

It is an arithmetic number, because the mean of its divisors is an integer number (265030596).

Almost surely, 2^2118241938 is an apocalyptic number.

2118241938 is an abundant number, since it is smaller than the sum of its proper divisors (2122247598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2118241938 is a wasteful number, since it uses less digits than its factorization.

2118241938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333809.

The product of its digits is 27648, while the sum is 39.

The square root of 2118241938 is about 46024.3624399078. The cubic root of 2118241938 is about 1284.2764554036.

The spelling of 2118241938 in words is "two billion, one hundred eighteen million, two hundred forty-one thousand, nine hundred thirty-eight".