159873654329 has 2 divisors, whose sum is σ = 159873654330. Its totient is φ = 159873654328.

The previous prime is 159873654263. The next prime is 159873654341. The reversal of 159873654329 is 923456378951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122248129600 + 37625524729 = 349640^2 + 193973^2 .

It is a cyclic number.

It is not a de Polignac number, because 159873654329 - 2³⁶ = 91154177593 is a prime.

It is not a weakly prime, because it can be changed into another prime (159873654379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79936827164 + 79936827165.

It is an arithmetic number, because the mean of its divisors is an integer number (79936827165).

Almost surely, 2^159873654329 is an apocalyptic number.

It is an amenable number.

159873654329 is a deficient number, since it is larger than the sum of its proper divisors (1).

159873654329 is an equidigital number, since it uses as much as digits as its factorization.

159873654329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48988800, while the sum is 62.

The spelling of 159873654329 in words is "one hundred fifty-nine billion, eight hundred seventy-three million, six hundred fifty-four thousand, three hundred twenty-nine".