2285443973 has 2 divisors, whose sum is σ = 2285443974. Its totient is φ = 2285443972.

The previous prime is 2285443933. The next prime is 2285443987. The reversal of 2285443973 is 3793445822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1808545729 + 476898244 = 42527^2 + 21838^2 .

It is a cyclic number.

It is not a de Polignac number, because 2285443973 - 2²⁶ = 2218335109 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2285443903) 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 as a sum of consecutive naturals, namely, 1142721986 + 1142721987.

It is an arithmetic number, because the mean of its divisors is an integer number (1142721987).

Almost surely, 2^2285443973 is an apocalyptic number.

It is an amenable number.

2285443973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2285443973 is an equidigital number, since it uses as much as digits as its factorization.

2285443973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 47.

The square root of 2285443973 is about 47806.3172917555. The cubic root of 2285443973 is about 1317.2155824884.

The spelling of 2285443973 in words is "two billion, two hundred eighty-five million, four hundred forty-three thousand, nine hundred seventy-three".