159559348973 has 2 divisors, whose sum is σ = 159559348974. Its totient is φ = 159559348972.

The previous prime is 159559348943. The next prime is 159559349041. The reversal of 159559348973 is 379843955951.

It is an a-pointer prime, because the next prime (159559349041) can be obtained adding 159559348973 to its sum of digits (68).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151043381449 + 8515967524 = 388643^2 + 92282^2 .

It is a cyclic number.

It is not a de Polignac number, because 159559348973 - 2⁸ = 159559348717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159559348903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79779674486 + 79779674487.

It is an arithmetic number, because the mean of its divisors is an integer number (79779674487).

Almost surely, 2^159559348973 is an apocalyptic number.

It is an amenable number.

159559348973 is a deficient number, since it is larger than the sum of its proper divisors (1).

159559348973 is an equidigital number, since it uses as much as digits as its factorization.

159559348973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 183708000, while the sum is 68.

The spelling of 159559348973 in words is "one hundred fifty-nine billion, five hundred fifty-nine million, three hundred forty-eight thousand, nine hundred seventy-three".