2840218243 has 8 divisors (see below), whose sum is σ = 2851116768. Its totient is φ = 2829332544.

The previous prime is 2840218229. The next prime is 2840218261. The reversal of 2840218243 is 3428120482.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2840218243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2840218199 and 2840218208.

It is not an unprimeable number, because it can be changed into a prime (2840018243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 782130 + ... + 785752.

It is an arithmetic number, because the mean of its divisors is an integer number (356389596).

Almost surely, 2^2840218243 is an apocalyptic number.

2840218243 is a deficient number, since it is larger than the sum of its proper divisors (10898525).

2840218243 is a wasteful number, since it uses less digits than its factorization.

2840218243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6413.

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 2840218243 is about 53293.6979670205. The cubic root of 2840218243 is about 1416.1760242394.

The spelling of 2840218243 in words is "two billion, eight hundred forty million, two hundred eighteen thousand, two hundred forty-three".