8664534336243 has 32 divisors (see below), whose sum is σ = 11675963863872. Its totient is φ = 5714924544000.

The previous prime is 8664534336203. The next prime is 8664534336281. The reversal of 8664534336243 is 3426334354668.

It is not a de Polignac number, because 8664534336243 - 2²¹ = 8664532239091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8664534336203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 448906693 + ... + 448925993.

It is an arithmetic number, because the mean of its divisors is an integer number (364873870746).

Almost surely, 2^{8664534336243} is an apocalyptic number.

8664534336243 is a deficient number, since it is larger than the sum of its proper divisors (3011429527629).

8664534336243 is a wasteful number, since it uses less digits than its factorization.

8664534336243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21735.

The product of its digits is 89579520, while the sum is 57.

The spelling of 8664534336243 in words is "eight trillion, six hundred sixty-four billion, five hundred thirty-four million, three hundred thirty-six thousand, two hundred forty-three".