5205044249 has 2 divisors, whose sum is σ = 5205044250. Its totient is φ = 5205044248.

The previous prime is 5205044239. The next prime is 5205044261. The reversal of 5205044249 is 9424405025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5120404249 + 84640000 = 71557^2 + 9200^2 .

It is a cyclic number.

It is not a de Polignac number, because 5205044249 - 2⁸ = 5205043993 is a prime.

It is not a weakly prime, because it can be changed into another prime (5205044219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2602522124 + 2602522125.

It is an arithmetic number, because the mean of its divisors is an integer number (2602522125).

Almost surely, 2^5205044249 is an apocalyptic number.

It is an amenable number.

5205044249 is a deficient number, since it is larger than the sum of its proper divisors (1).

5205044249 is an equidigital number, since it uses as much as digits as its factorization.

5205044249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 5205044249 is about 72145.9926052723. The cubic root of 5205044249 is about 1733.0382252483.

The spelling of 5205044249 in words is "five billion, two hundred five million, forty-four thousand, two hundred forty-nine".