6801328543 has 2 divisors, whose sum is σ = 6801328544. Its totient is φ = 6801328542.

The previous prime is 6801328517. The next prime is 6801328553. The reversal of 6801328543 is 3458231086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6801328543 - 2⁹ = 6801328031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6801328496 and 6801328505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6801328553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3400664271 + 3400664272.

It is an arithmetic number, because the mean of its divisors is an integer number (3400664272).

Almost surely, 2^6801328543 is an apocalyptic number.

6801328543 is a deficient number, since it is larger than the sum of its proper divisors (1).

6801328543 is an equidigital number, since it uses as much as digits as its factorization.

6801328543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 6801328543 is about 82470.1675941064. The cubic root of 6801328543 is about 1894.6598473754.

The spelling of 6801328543 in words is "six billion, eight hundred one million, three hundred twenty-eight thousand, five hundred forty-three".