489122593129 has 3 divisors (see below), whose sum is σ = 489123292503. Its totient is φ = 489121893756.

The previous prime is 489122593109. The next prime is 489122593139. The reversal of 489122593129 is 921395221984.

The square root of 489122593129 is 699373.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 344610091225 + 144512501904 = 587035^2 + 380148^2 .

It is not a de Polignac number, because 489122593129 - 2¹¹ = 489122591081 is a prime.

It is a super-2 number, since 2×489122593129² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 489122593129.

It is not an unprimeable number, because it can be changed into a prime (489122593109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 349687 + ... + 1049059.

It is an arithmetic number, because the mean of its divisors is an integer number (163041097501).

Almost surely, 2^489122593129 is an apocalyptic number.

489122593129 is the 699373-rd square number.

489122593129 is the 349687-th centered octagonal number.

It is an amenable number.

489122593129 is a deficient number, since it is larger than the sum of its proper divisors (699374).

489122593129 is an frugal number, since it uses more digits than its factorization.

489122593129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398746 (or 699373 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 55.

The spelling of 489122593129 in words is "four hundred eighty-nine billion, one hundred twenty-two million, five hundred ninety-three thousand, one hundred twenty-nine".