159338340773 has 4 divisors (see below), whose sum is σ = 159341234700. Its totient is φ = 159335446848.

The previous prime is 159338340769. The next prime is 159338340803. The reversal of 159338340773 is 377043833951.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 114488843044 + 44849497729 = 338362^2 + 211777^2 .

It is a cyclic number.

It is not a de Polignac number, because 159338340773 - 2² = 159338340769 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 (159338346773) 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, 1362740 + ... + 1475037.

It is an arithmetic number, because the mean of its divisors is an integer number (39835308675).

Almost surely, 2^159338340773 is an apocalyptic number.

It is an amenable number.

159338340773 is a deficient number, since it is larger than the sum of its proper divisors (2893927).

159338340773 is an equidigital number, since it uses as much as digits as its factorization.

159338340773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2893926.

The product of its (nonzero) digits is 5715360, while the sum is 53.

The spelling of 159338340773 in words is "one hundred fifty-nine billion, three hundred thirty-eight million, three hundred forty thousand, seven hundred seventy-three".