6541982873 has 2 divisors, whose sum is σ = 6541982874. Its totient is φ = 6541982872.

The previous prime is 6541982833. The next prime is 6541982899. The reversal of 6541982873 is 3782891456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6536399104 + 5583769 = 80848^2 + 2363^2 .

It is a cyclic number.

It is not a de Polignac number, because 6541982873 - 2⁶ = 6541982809 is a prime.

It is not a weakly prime, because it can be changed into another prime (6541982833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3270991436 + 3270991437.

It is an arithmetic number, because the mean of its divisors is an integer number (3270991437).

Almost surely, 2^6541982873 is an apocalyptic number.

It is an amenable number.

6541982873 is a deficient number, since it is larger than the sum of its proper divisors (1).

6541982873 is an equidigital number, since it uses as much as digits as its factorization.

6541982873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 53.

The square root of 6541982873 is about 80882.5251398595. The cubic root of 6541982873 is about 1870.2649469699.

The spelling of 6541982873 in words is "six billion, five hundred forty-one million, nine hundred eighty-two thousand, eight hundred seventy-three".