9686989144 has 48 divisors (see below), whose sum is σ = 21578093280. Its totient is φ = 4063227840.

The previous prime is 9686989133. The next prime is 9686989153. The reversal of 9686989144 is 4419896869.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244467 + ... + 281314.

It is an arithmetic number, because the mean of its divisors is an integer number (449543610).

Almost surely, 2^9686989144 is an apocalyptic number.

9686989144 is a gapful number since it is divisible by the number (94) formed by its first and last digit.

It is an amenable number.

9686989144 is an abundant number, since it is smaller than the sum of its proper divisors (11891104136).

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

9686989144 is a wasteful number, since it uses less digits than its factorization.

9686989144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525848 (or 525837 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 64.

The square root of 9686989144 is about 98422.5032398587. The cubic root of 9686989144 is about 2131.7172735160.

The spelling of 9686989144 in words is "nine billion, six hundred eighty-six million, nine hundred eighty-nine thousand, one hundred forty-four".