959171473129 has 3 divisors (see below), whose sum is σ = 959172452503. Its totient is φ = 959170493756.

The previous prime is 959171473123. The next prime is 959171473163. The reversal of 959171473129 is 921374171959.

The square root of 959171473129 is 979373.

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., 128791265625 + 830380207504 = 358875^2 + 911252^2 .

It is not a de Polignac number, because 959171473129 - 2⁹ = 959171472617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (959171473123) 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, 489687 + ... + 1469059.

Almost surely, 2^959171473129 is an apocalyptic number.

959171473129 is the 979373-rd square number.

959171473129 is the 489687-th centered octagonal number.

It is an amenable number.

959171473129 is a deficient number, since it is larger than the sum of its proper divisors (979374).

959171473129 is an frugal number, since it uses more digits than its factorization.

959171473129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958746 (or 979373 counting only the distinct ones).

The product of its digits is 4286520, while the sum is 58.

The spelling of 959171473129 in words is "nine hundred fifty-nine billion, one hundred seventy-one million, four hundred seventy-three thousand, one hundred twenty-nine".