2118283205 has 8 divisors (see below), whose sum is σ = 2553041400. Its totient is φ = 1687225536.

The previous prime is 2118283159. The next prime is 2118283207. The reversal of 2118283205 is 5023828112.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 371795524 + 1746487681 = 19282^2 + 41791^2 .

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 2118283205 - 2⁸ = 2118282949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118283207) 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, 923870 + ... + 926159.

It is an arithmetic number, because the mean of its divisors is an integer number (319130175).

Almost surely, 2^2118283205 is an apocalyptic number.

It is an amenable number.

2118283205 is a deficient number, since it is larger than the sum of its proper divisors (434758195).

2118283205 is a wasteful number, since it uses less digits than its factorization.

2118283205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850263.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 2118283205 is about 46024.8107546354. The cubic root of 2118283205 is about 1284.2847953217.

The spelling of 2118283205 in words is "two billion, one hundred eighteen million, two hundred eighty-three thousand, two hundred five".