8356534573 has 2 divisors, whose sum is σ = 8356534574. Its totient is φ = 8356534572.

The previous prime is 8356534541. The next prime is 8356534579. The reversal of 8356534573 is 3754356538.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6826394884 + 1530139689 = 82622^2 + 39117^2 .

It is a cyclic number.

It is not a de Polignac number, because 8356534573 - 2⁵ = 8356534541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8356534579) 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 as a sum of consecutive naturals, namely, 4178267286 + 4178267287.

It is an arithmetic number, because the mean of its divisors is an integer number (4178267287).

Almost surely, 2^8356534573 is an apocalyptic number.

It is an amenable number.

8356534573 is a deficient number, since it is larger than the sum of its proper divisors (1).

8356534573 is an equidigital number, since it uses as much as digits as its factorization.

8356534573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536000, while the sum is 49.

The square root of 8356534573 is about 91414.0830124112. The cubic root of 8356534573 is about 2029.2804500847.

The spelling of 8356534573 in words is "eight billion, three hundred fifty-six million, five hundred thirty-four thousand, five hundred seventy-three".