2184605853 has 4 divisors (see below), whose sum is σ = 2912807808. Its totient is φ = 1456403900.

The previous prime is 2184605851. The next prime is 2184605869. The reversal of 2184605853 is 3585064812.

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 2184605853 - 2¹ = 2184605851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2184605851) 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, 364100973 + ... + 364100978.

It is an arithmetic number, because the mean of its divisors is an integer number (728201952).

Almost surely, 2^2184605853 is an apocalyptic number.

It is an amenable number.

2184605853 is a deficient number, since it is larger than the sum of its proper divisors (728201955).

2184605853 is an equidigital number, since it uses as much as digits as its factorization.

2184605853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728201954.

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 2184605853 is about 46739.7673614236. The cubic root of 2184605853 is about 1297.5507836123.

The spelling of 2184605853 in words is "two billion, one hundred eighty-four million, six hundred five thousand, eight hundred fifty-three".