8545082813 has 2 divisors, whose sum is σ = 8545082814. Its totient is φ = 8545082812.

The previous prime is 8545082729. The next prime is 8545082849. The reversal of 8545082813 is 3182805458.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7461158884 + 1083923929 = 86378^2 + 32923^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8545082813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8545012813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4272541406 + 4272541407.

It is an arithmetic number, because the mean of its divisors is an integer number (4272541407).

Almost surely, 2^8545082813 is an apocalyptic number.

It is an amenable number.

8545082813 is a deficient number, since it is larger than the sum of its proper divisors (1).

8545082813 is an equidigital number, since it uses as much as digits as its factorization.

8545082813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 307200, while the sum is 44.

The square root of 8545082813 is about 92439.6171184195. The cubic root of 8545082813 is about 2044.4292788683.

The spelling of 8545082813 in words is "eight billion, five hundred forty-five million, eighty-two thousand, eight hundred thirteen".