159229673989 has 4 divisors (see below), whose sum is σ = 159230472460. Its totient is φ = 159228875520.

The previous prime is 159229673951. The next prime is 159229674001. The reversal of 159229673989 is 989376922951.

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 2 ways, for example, as 18348057025 + 140881616964 = 135455^2 + 375342^2 .

It is a cyclic number.

It is not a de Polignac number, because 159229673989 - 2³¹ = 157082190341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159229673909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180709 + ... + 592549.

It is an arithmetic number, because the mean of its divisors is an integer number (39807618115).

Almost surely, 2^159229673989 is an apocalyptic number.

It is an amenable number.

159229673989 is a deficient number, since it is larger than the sum of its proper divisors (798471).

159229673989 is an equidigital number, since it uses as much as digits as its factorization.

159229673989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798470.

The product of its digits is 132269760, while the sum is 70.

The spelling of 159229673989 in words is "one hundred fifty-nine billion, two hundred twenty-nine million, six hundred seventy-three thousand, nine hundred eighty-nine".