4020304543 has 2 divisors, whose sum is σ = 4020304544. Its totient is φ = 4020304542.

The previous prime is 4020304537. The next prime is 4020304567. The reversal of 4020304543 is 3454030204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4020304543 - 2⁵ = 4020304511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4020304513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010152271 + 2010152272.

It is an arithmetic number, because the mean of its divisors is an integer number (2010152272).

Almost surely, 2^4020304543 is an apocalyptic number.

4020304543 is a deficient number, since it is larger than the sum of its proper divisors (1).

4020304543 is an equidigital number, since it uses as much as digits as its factorization.

4020304543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 4020304543 is about 63405.8715183381. The cubic root of 4020304543 is about 1590.0824743950.

Adding to 4020304543 its reverse (3454030204), we get a palindrome (7474334747).

The spelling of 4020304543 in words is "four billion, twenty million, three hundred four thousand, five hundred forty-three".