2184446893 has 2 divisors, whose sum is σ = 2184446894. Its totient is φ = 2184446892.

The previous prime is 2184446843. The next prime is 2184446921. The reversal of 2184446893 is 3986444812.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1774262884 + 410184009 = 42122^2 + 20253^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2184446893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2184446843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1092223446 + 1092223447.

It is an arithmetic number, because the mean of its divisors is an integer number (1092223447).

Almost surely, 2^2184446893 is an apocalyptic number.

It is an amenable number.

2184446893 is a deficient number, since it is larger than the sum of its proper divisors (1).

2184446893 is an equidigital number, since it uses as much as digits as its factorization.

2184446893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1327104, while the sum is 49.

The square root of 2184446893 is about 46738.0668513365. The cubic root of 2184446893 is about 1297.5193113179.

The spelling of 2184446893 in words is "two billion, one hundred eighty-four million, four hundred forty-six thousand, eight hundred ninety-three".