959159720689 has 9 divisors (see below), whose sum is σ = 983165608011. Its totient is φ = 935726406480.

The previous prime is 959159720647. The next prime is 959159720693. The reversal of 959159720689 is 986027951959.

The square root of 959159720689 is 979367.

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

It can be written as a sum of positive squares in only one way, i.e., 46217690289 + 912942030400 = 214983^2 + 955480^2 .

It is a de Polignac number, because none of the positive numbers 2^k-959159720689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (959159724689) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 40142104 + ... + 40165990.

Almost surely, 2^959159720689 is an apocalyptic number.

959159720689 is the 979367-th square number.

959159720689 is the 489684-th centered octagonal number.

It is an amenable number.

959159720689 is a deficient number, since it is larger than the sum of its proper divisors (24005887322).

959159720689 is an frugal number, since it uses more digits than its factorization.

959159720689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47856 (or 23928 counting only the distinct ones).

The product of its (nonzero) digits is 110224800, while the sum is 70.

The spelling of 959159720689 in words is "nine hundred fifty-nine billion, one hundred fifty-nine million, seven hundred twenty thousand, six hundred eighty-nine".