4805550550909 has 2 divisors, whose sum is σ = 4805550550910. Its totient is φ = 4805550550908.

The previous prime is 4805550550891. The next prime is 4805550550919. The reversal of 4805550550909 is 9090550555084.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3924539292025 + 881011258884 = 1981045^2 + 938622^2 .

It is a cyclic number.

It is not a de Polignac number, because 4805550550909 - 2¹³ = 4805550542717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4805550550909.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4805550550919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2402775275454 + 2402775275455.

It is an arithmetic number, because the mean of its divisors is an integer number (2402775275455).

Almost surely, 2^{4805550550909} is an apocalyptic number.

It is an amenable number.

4805550550909 is a deficient number, since it is larger than the sum of its proper divisors (1).

4805550550909 is an equidigital number, since it uses as much as digits as its factorization.

4805550550909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100000, while the sum is 55.

The spelling of 4805550550909 in words is "four trillion, eight hundred five billion, five hundred fifty million, five hundred fifty thousand, nine hundred nine".