4542544009 has 2 divisors, whose sum is σ = 4542544010. Its totient is φ = 4542544008.

The previous prime is 4542543991. The next prime is 4542544033. The reversal of 4542544009 is 9004452454.

4542544009 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4176778384 + 365765625 = 64628^2 + 19125^2 .

It is a cyclic number.

It is not a de Polignac number, because 4542544009 - 2⁷ = 4542543881 is a prime.

It is not a weakly prime, because it can be changed into another prime (4542544309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2271272004 + 2271272005.

It is an arithmetic number, because the mean of its divisors is an integer number (2271272005).

Almost surely, 2^4542544009 is an apocalyptic number.

It is an amenable number.

4542544009 is a deficient number, since it is larger than the sum of its proper divisors (1).

4542544009 is an equidigital number, since it uses as much as digits as its factorization.

4542544009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 4542544009 is about 67398.3976738320. The cubic root of 4542544009 is about 1656.1501737883.

The spelling of 4542544009 in words is "four billion, five hundred forty-two million, five hundred forty-four thousand, nine".