5581802249 has 2 divisors, whose sum is σ = 5581802250. Its totient is φ = 5581802248.

The previous prime is 5581802201. The next prime is 5581802251. The reversal of 5581802249 is 9422081855.

5581802249 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5500892224 + 80910025 = 74168^2 + 8995^2 .

It is a cyclic number.

It is not a de Polignac number, because 5581802249 - 2³² = 1286834953 is a prime.

It is a Sophie Germain prime.

Together with 5581802251, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5581808249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2790901124 + 2790901125.

It is an arithmetic number, because the mean of its divisors is an integer number (2790901125).

Almost surely, 2^5581802249 is an apocalyptic number.

It is an amenable number.

5581802249 is a deficient number, since it is larger than the sum of its proper divisors (1).

5581802249 is an equidigital number, since it uses as much as digits as its factorization.

5581802249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230400, while the sum is 44.

The square root of 5581802249 is about 74711.4599576263. The cubic root of 5581802249 is about 1773.8823618444.

The spelling of 5581802249 in words is "five billion, five hundred eighty-one million, eight hundred two thousand, two hundred forty-nine".