8981305941873 has 16 divisors (see below), whose sum is σ = 12298823200256. Its totient is φ = 5825665566720.

The previous prime is 8981305941827. The next prime is 8981305941887. The reversal of 8981305941873 is 3781495031898.

It is a happy number.

It is not a de Polignac number, because 8981305941873 - 2¹² = 8981305937777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8981305941823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18731040 + ... + 19204542.

It is an arithmetic number, because the mean of its divisors is an integer number (768676450016).

Almost surely, 2^{8981305941873} is an apocalyptic number.

It is an amenable number.

8981305941873 is a deficient number, since it is larger than the sum of its proper divisors (3317517258383).

8981305941873 is a wasteful number, since it uses less digits than its factorization.

8981305941873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644424.

The product of its (nonzero) digits is 52254720, while the sum is 66.

The spelling of 8981305941873 in words is "eight trillion, nine hundred eighty-one billion, three hundred five million, nine hundred forty-one thousand, eight hundred seventy-three".