2118638083 has 4 divisors (see below), whose sum is σ = 2148478128. Its totient is φ = 2088798040.

The previous prime is 2118638057. The next prime is 2118638113. The reversal of 2118638083 is 3808368112.

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

It is a cyclic number.

It is not a de Polignac number, because 2118638083 - 2²⁹ = 1581767171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2118638023) 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 3 ways as a sum of consecutive naturals, for example, 14919916 + ... + 14920057.

It is an arithmetic number, because the mean of its divisors is an integer number (537119532).

Almost surely, 2^2118638083 is an apocalyptic number.

2118638083 is a deficient number, since it is larger than the sum of its proper divisors (29840045).

2118638083 is an equidigital number, since it uses as much as digits as its factorization.

2118638083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29840044.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 2118638083 is about 46028.6658833384. The cubic root of 2118638083 is about 1284.3565104680.

The spelling of 2118638083 in words is "two billion, one hundred eighteen million, six hundred thirty-eight thousand, eighty-three".