9489436144 has 80 divisors (see below), whose sum is σ = 19328137920. Its totient is φ = 4507453440.

The previous prime is 9489436127. The next prime is 9489436153. The reversal of 9489436144 is 4416349849.

It is a junction number, because it is equal to n+sod(n) for n = 9489436091 and 9489436100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8649804 + ... + 8650900.

It is an arithmetic number, because the mean of its divisors is an integer number (241601724).

Almost surely, 2^9489436144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9489436144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9664068960).

9489436144 is an abundant number, since it is smaller than the sum of its proper divisors (9838701776).

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

9489436144 is a wasteful number, since it uses less digits than its factorization.

9489436144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418 (or 1412 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 52.

The square root of 9489436144 is about 97413.7369368407. The cubic root of 9489436144 is about 2117.1264723643.

The spelling of 9489436144 in words is "nine billion, four hundred eighty-nine million, four hundred thirty-six thousand, one hundred forty-four".