159985000729 has 2 divisors, whose sum is σ = 159985000730. Its totient is φ = 159985000728.

The previous prime is 159985000717. The next prime is 159985000751. The reversal of 159985000729 is 927000589951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159968001600 + 16999129 = 399960^2 + 4123^2 .

It is a cyclic number.

It is not a de Polignac number, because 159985000729 - 2⁵ = 159985000697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 159985000729.

It is not a weakly prime, because it can be changed into another prime (159985000129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79992500364 + 79992500365.

It is an arithmetic number, because the mean of its divisors is an integer number (79992500365).

Almost surely, 2^159985000729 is an apocalyptic number.

It is an amenable number.

159985000729 is a deficient number, since it is larger than the sum of its proper divisors (1).

159985000729 is an equidigital number, since it uses as much as digits as its factorization.

159985000729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2041200, while the sum is 55.

The spelling of 159985000729 in words is "one hundred fifty-nine billion, nine hundred eighty-five million, seven hundred twenty-nine", and thus it is an aban number.