4543454543 has 2 divisors, whose sum is σ = 4543454544. Its totient is φ = 4543454542.

The previous prime is 4543454533. The next prime is 4543454567. The reversal of 4543454543 is 3454543454.

4543454543 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4543454543 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 4543454543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4543454533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2271727271 + 2271727272.

It is an arithmetic number, because the mean of its divisors is an integer number (2271727272).

Almost surely, 2^4543454543 is an apocalyptic number.

4543454543 is a deficient number, since it is larger than the sum of its proper divisors (1).

4543454543 is an equidigital number, since it uses as much as digits as its factorization.

4543454543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152000, while the sum is 41.

The square root of 4543454543 is about 67405.1521992199. The cubic root of 4543454543 is about 1656.2608225271.

Adding to 4543454543 its reverse (3454543454), we get a palindrome (7997997997).

The spelling of 4543454543 in words is "four billion, five hundred forty-three million, four hundred fifty-four thousand, five hundred forty-three".