2118109983 has 8 divisors (see below), whose sum is σ = 3080887296. Its totient is φ = 1283703000.

The previous prime is 2118109957. The next prime is 2118109991. The reversal of 2118109983 is 3899018112.

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

It is not a de Polignac number, because 2118109983 - 2⁹ = 2118109471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118109993) 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, 32092543 + ... + 32092608.

It is an arithmetic number, because the mean of its divisors is an integer number (385110912).

Almost surely, 2^2118109983 is an apocalyptic number.

2118109983 is a deficient number, since it is larger than the sum of its proper divisors (962777313).

2118109983 is a wasteful number, since it uses less digits than its factorization.

2118109983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64185165.

The product of its (nonzero) digits is 31104, while the sum is 42.

The square root of 2118109983 is about 46022.9288833294. The cubic root of 2118109983 is about 1284.2497870274.

It can be divided in two parts, 2118 and 109983, that added together give a triangular number (112101 = T₄₇₃).

The spelling of 2118109983 in words is "two billion, one hundred eighteen million, one hundred nine thousand, nine hundred eighty-three".