2884847989 has 2 divisors, whose sum is σ = 2884847990. Its totient is φ = 2884847988.

The previous prime is 2884847983. The next prime is 2884848019. The reversal of 2884847989 is 9897484882.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2853375889 + 31472100 = 53417^2 + 5610^2 .

It is a cyclic number.

It is not a de Polignac number, because 2884847989 - 2¹⁷ = 2884716917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2884847983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1442423994 + 1442423995.

It is an arithmetic number, because the mean of its divisors is an integer number (1442423995).

Almost surely, 2^2884847989 is an apocalyptic number.

It is an amenable number.

2884847989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2884847989 is an equidigital number, since it uses as much as digits as its factorization.

2884847989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 74317824, while the sum is 67.

The square root of 2884847989 is about 53710.7809382809. The cubic root of 2884847989 is about 1423.5551973978. Note that the first 3 decimals are identical.

The spelling of 2884847989 in words is "two billion, eight hundred eighty-four million, eight hundred forty-seven thousand, nine hundred eighty-nine".