6480305543 has 2 divisors, whose sum is σ = 6480305544. Its totient is φ = 6480305542.

The previous prime is 6480305501. The next prime is 6480305551. The reversal of 6480305543 is 3455030846.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6480305543 - 2⁶ = 6480305479 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 6480305497 and 6480305506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6480305443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3240152771 + 3240152772.

It is an arithmetic number, because the mean of its divisors is an integer number (3240152772).

Almost surely, 2^6480305543 is an apocalyptic number.

6480305543 is a deficient number, since it is larger than the sum of its proper divisors (1).

6480305543 is an equidigital number, since it uses as much as digits as its factorization.

6480305543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 38.

The square root of 6480305543 is about 80500.3449868384. The cubic root of 6480305543 is about 1864.3688053692.

The spelling of 6480305543 in words is "six billion, four hundred eighty million, three hundred five thousand, five hundred forty-three".