6452728543 has 4 divisors (see below), whose sum is σ = 6610112208. Its totient is φ = 6295344880.

The previous prime is 6452728519. The next prime is 6452728561. The reversal of 6452728543 is 3458272546.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6452728543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6452728493 and 6452728502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6452726543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78691771 + ... + 78691852.

It is an arithmetic number, because the mean of its divisors is an integer number (1652528052).

Almost surely, 2^6452728543 is an apocalyptic number.

6452728543 is a deficient number, since it is larger than the sum of its proper divisors (157383665).

6452728543 is a wasteful number, since it uses less digits than its factorization.

6452728543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157383664.

The product of its digits is 1612800, while the sum is 46.

The square root of 6452728543 is about 80328.8773916330. The cubic root of 6452728543 is about 1861.7204322020.

The spelling of 6452728543 in words is "six billion, four hundred fifty-two million, seven hundred twenty-eight thousand, five hundred forty-three".