532130857729 has 3 divisors (see below), whose sum is σ = 532131587203. Its totient is φ = 532130128256.

The previous prime is 532130857673. The next prime is 532130857733. The reversal of 532130857729 is 927758031235.

It is a happy number.

The square root of 532130857729 is 729473.

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., 428992250625 + 103138607104 = 654975^2 + 321152^2 .

It is not a de Polignac number, because 532130857729 - 2¹¹ = 532130855681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (532130857759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 364737 + ... + 1094209.

Almost surely, 2^532130857729 is an apocalyptic number.

532130857729 is the 729473-rd square number.

532130857729 is the 364737-th centered octagonal number.

It is an amenable number.

532130857729 is a deficient number, since it is larger than the sum of its proper divisors (729474).

532130857729 is an frugal number, since it uses more digits than its factorization.

532130857729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458946 (or 729473 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 52.

The spelling of 532130857729 in words is "five hundred thirty-two billion, one hundred thirty million, eight hundred fifty-seven thousand, seven hundred twenty-nine".