2184266849 has 4 divisors (see below), whose sum is σ = 2184741936. Its totient is φ = 2183791764.

The previous prime is 2184266827. The next prime is 2184266869. The reversal of 2184266849 is 9486624812.

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.

It is a cyclic number.

It is not a de Polignac number, because 2184266849 - 2⁸ = 2184266593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2184266797 and 2184266806.

It is not an unprimeable number, because it can be changed into a prime (2184266869) 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, 230579 + ... + 239864.

It is an arithmetic number, because the mean of its divisors is an integer number (546185484).

Almost surely, 2^2184266849 is an apocalyptic number.

It is an amenable number.

2184266849 is a deficient number, since it is larger than the sum of its proper divisors (475087).

2184266849 is an equidigital number, since it uses as much as digits as its factorization.

2184266849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475086.

The product of its digits is 1327104, while the sum is 50.

The square root of 2184266849 is about 46736.1407157245. The cubic root of 2184266849 is about 1297.4836627844.

The spelling of 2184266849 in words is "two billion, one hundred eighty-four million, two hundred sixty-six thousand, eight hundred forty-nine".