9145681288986 has 128 divisors (see below), whose sum is σ = 20674170316800. Its totient is φ = 2672842924800.

The previous prime is 9145681288979. The next prime is 9145681288987. The reversal of 9145681288986 is 6898821865419.

It is not an unprimeable number, because it can be changed into a prime (9145681288987) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 135660915 + ... + 135728313.

It is an arithmetic number, because the mean of its divisors is an integer number (161516955600).

Almost surely, 2^{9145681288986} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9145681288986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10337085158400).

9145681288986 is an abundant number, since it is smaller than the sum of its proper divisors (11528489027814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9145681288986 is a wasteful number, since it uses less digits than its factorization.

9145681288986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67940.

The product of its digits is 477757440, while the sum is 75.

The spelling of 9145681288986 in words is "nine trillion, one hundred forty-five billion, six hundred eighty-one million, two hundred eighty-eight thousand, nine hundred eighty-six".