8669144532 has 24 divisors (see below), whose sum is σ = 20297049696. Its totient is φ = 2879851168.

The previous prime is 8669144531. The next prime is 8669144537. The reversal of 8669144532 is 2354419668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8669144531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1229298 + ... + 1236329.

It is an arithmetic number, because the mean of its divisors is an integer number (845710404).

Almost surely, 2^8669144532 is an apocalyptic number.

It is an amenable number.

8669144532 is an abundant number, since it is smaller than the sum of its proper divisors (11627905164).

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

8669144532 is a wasteful number, since it uses less digits than its factorization.

8669144532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465927 (or 2465925 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 48.

The square root of 8669144532 is about 93108.2409456864. The cubic root of 8669144532 is about 2054.2757895865.

The spelling of 8669144532 in words is "eight billion, six hundred sixty-nine million, one hundred forty-four thousand, five hundred thirty-two".