159753699242873 has 2 divisors, whose sum is σ = 159753699242874. Its totient is φ = 159753699242872.

The previous prime is 159753699242849. The next prime is 159753699242881. The reversal of 159753699242873 is 378242996357951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155883540120889 + 3870159121984 = 12485333^2 + 1967272^2 .

It is a cyclic number.

It is not a de Polignac number, because 159753699242873 - 2²⁰ = 159753698194297 is a prime.

It is not a weakly prime, because it can be changed into another prime (159753699272873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79876849621436 + 79876849621437.

It is an arithmetic number, because the mean of its divisors is an integer number (79876849621437).

Almost surely, 2^{159753699242873} is an apocalyptic number.

It is an amenable number.

159753699242873 is a deficient number, since it is larger than the sum of its proper divisors (1).

159753699242873 is an equidigital number, since it uses as much as digits as its factorization.

159753699242873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6172588800, while the sum is 80.

The spelling of 159753699242873 in words is "one hundred fifty-nine trillion, seven hundred fifty-three billion, six hundred ninety-nine million, two hundred forty-two thousand, eight hundred seventy-three".