159179445973 has 2 divisors, whose sum is σ = 159179445974. Its totient is φ = 159179445972.

The previous prime is 159179445907. The next prime is 159179446007. The reversal of 159179445973 is 379544971951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116313056209 + 42866389764 = 341047^2 + 207042^2 .

It is a cyclic number.

It is not a de Polignac number, because 159179445973 - 2²¹ = 159177348821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159179415973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79589722986 + 79589722987.

It is an arithmetic number, because the mean of its divisors is an integer number (79589722987).

Almost surely, 2^159179445973 is an apocalyptic number.

It is an amenable number.

159179445973 is a deficient number, since it is larger than the sum of its proper divisors (1).

159179445973 is an equidigital number, since it uses as much as digits as its factorization.

159179445973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42865200, while the sum is 64.

The spelling of 159179445973 in words is "one hundred fifty-nine billion, one hundred seventy-nine million, four hundred forty-five thousand, nine hundred seventy-three".