8543732473 has 2 divisors, whose sum is σ = 8543732474. Its totient is φ = 8543732472.

The previous prime is 8543732459. The next prime is 8543732537. The reversal of 8543732473 is 3742373458.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7594599609 + 949132864 = 87147^2 + 30808^2 .

It is a cyclic number.

It is not a de Polignac number, because 8543732473 - 2⁵ = 8543732441 is a prime.

It is not a weakly prime, because it can be changed into another prime (8543732423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4271866236 + 4271866237.

It is an arithmetic number, because the mean of its divisors is an integer number (4271866237).

Almost surely, 2^8543732473 is an apocalyptic number.

It is an amenable number.

8543732473 is a deficient number, since it is larger than the sum of its proper divisors (1).

8543732473 is an equidigital number, since it uses as much as digits as its factorization.

8543732473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 46.

The square root of 8543732473 is about 92432.3129268115. The cubic root of 8543732473 is about 2044.3215826207.

The spelling of 8543732473 in words is "eight billion, five hundred forty-three million, seven hundred thirty-two thousand, four hundred seventy-three".