2243615873 has 4 divisors (see below), whose sum is σ = 2243718960. Its totient is φ = 2243512788.

The previous prime is 2243615867. The next prime is 2243615897. The reversal of 2243615873 is 3785163422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2243615873 - 2²⁰ = 2242567297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2243615873.

It is not an unprimeable number, because it can be changed into a prime (2243615813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4715 + ... + 67152.

It is an arithmetic number, because the mean of its divisors is an integer number (560929740).

Almost surely, 2^2243615873 is an apocalyptic number.

It is an amenable number.

2243615873 is a deficient number, since it is larger than the sum of its proper divisors (103087).

2243615873 is an equidigital number, since it uses as much as digits as its factorization.

2243615873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103086.

The product of its digits is 241920, while the sum is 41.

The square root of 2243615873 is about 47366.8224921199. The cubic root of 2243615873 is about 1309.1301789454.

The spelling of 2243615873 in words is "two billion, two hundred forty-three million, six hundred fifteen thousand, eight hundred seventy-three".