159382197529 has 3 divisors (see below), whose sum is σ = 159382596757. Its totient is φ = 159381798302.

The previous prime is 159382197431. The next prime is 159382197619. The reversal of 159382197529 is 925791283951.

The square root of 159382197529 is 399227.

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 is not a de Polignac number, because 159382197529 - 2²⁷ = 159247979801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159382197229) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 199614 + ... + 598840.

Almost surely, 2^159382197529 is an apocalyptic number.

159382197529 is the 399227-th square number.

159382197529 is the 199614-th centered octagonal number.

It is an amenable number.

159382197529 is a deficient number, since it is larger than the sum of its proper divisors (399228).

159382197529 is an frugal number, since it uses more digits than its factorization.

159382197529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798454 (or 399227 counting only the distinct ones).

The product of its digits is 12247200, while the sum is 61.

The spelling of 159382197529 in words is "one hundred fifty-nine billion, three hundred eighty-two million, one hundred ninety-seven thousand, five hundred twenty-nine".