5542818209 has 2 divisors, whose sum is σ = 5542818210. Its totient is φ = 5542818208.

The previous prime is 5542818181. The next prime is 5542818217. The reversal of 5542818209 is 9028182455.

5542818209 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., 5542355809 + 462400 = 74447^2 + 680^2 .

It is a cyclic number.

It is not a de Polignac number, because 5542818209 - 2¹⁶ = 5542752673 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5542818209.

It is not a weakly prime, because it can be changed into another prime (5542818109) 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, 2771409104 + 2771409105.

It is an arithmetic number, because the mean of its divisors is an integer number (2771409105).

Almost surely, 2^5542818209 is an apocalyptic number.

It is an amenable number.

5542818209 is a deficient number, since it is larger than the sum of its proper divisors (1).

5542818209 is an equidigital number, since it uses as much as digits as its factorization.

5542818209 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 5542818209 is about 74450.1055002610. The cubic root of 5542818209 is about 1769.7430345038.

It can be divided in two parts, 55428 and 18209, that added together give a palindrome (73637).

The spelling of 5542818209 in words is "five billion, five hundred forty-two million, eight hundred eighteen thousand, two hundred nine".