8643008001573 has 24 divisors (see below), whose sum is σ = 13639402554336. Its totient is φ = 5230449276000.

The previous prime is 8643008001571. The next prime is 8643008001611. The reversal of 8643008001573 is 3751008003468.

It is not a de Polignac number, because 8643008001573 - 2¹ = 8643008001571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8643008001571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64410903 + ... + 64544948.

It is an arithmetic number, because the mean of its divisors is an integer number (568308439764).

Almost surely, 2^{8643008001573} is an apocalyptic number.

It is an amenable number.

8643008001573 is a deficient number, since it is larger than the sum of its proper divisors (4996394552763).

8643008001573 is a wasteful number, since it uses less digits than its factorization.

8643008001573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128956545 (or 128956542 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 8643008001573 in words is "eight trillion, six hundred forty-three billion, eight million, one thousand, five hundred seventy-three".