8973081573 has 4 divisors (see below), whose sum is σ = 11964108768. Its totient is φ = 5982054380.

The previous prime is 8973081449. The next prime is 8973081581. The reversal of 8973081573 is 3751803798.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8973081573 - 2¹⁷ = 8972950501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8973001573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1495513593 + ... + 1495513598.

It is an arithmetic number, because the mean of its divisors is an integer number (2991027192).

Almost surely, 2^8973081573 is an apocalyptic number.

It is an amenable number.

8973081573 is a deficient number, since it is larger than the sum of its proper divisors (2991027195).

8973081573 is a wasteful number, since it uses less digits than its factorization.

8973081573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991027194.

The product of its (nonzero) digits is 1270080, while the sum is 51.

The square root of 8973081573 is about 94726.3509959082. The cubic root of 8973081573 is about 2078.0079526480.

The spelling of 8973081573 in words is "eight billion, nine hundred seventy-three million, eighty-one thousand, five hundred seventy-three".