180968329 has 2 divisors, whose sum is σ = 180968330. Its totient is φ = 180968328.

The previous prime is 180968327. The next prime is 180968339. The reversal of 180968329 is 923869081.

180968329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99102025 + 81866304 = 9955^2 + 9048^2 .

It is a cyclic number.

It is not a de Polignac number, because 180968329 - 2¹ = 180968327 is a prime.

It is a super-2 number, since 2×180968329² = 65499072202104482, which contains 22 as substring.

Together with 180968327, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (180968321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90484164 + 90484165.

It is an arithmetic number, because the mean of its divisors is an integer number (90484165).

Almost surely, 2^180968329 is an apocalyptic number.

It is an amenable number.

180968329 is a deficient number, since it is larger than the sum of its proper divisors (1).

180968329 is an equidigital number, since it uses as much as digits as its factorization.

180968329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 180968329 is about 13452.4469521348. The cubic root of 180968329 is about 565.6322876832.

The spelling of 180968329 in words is "one hundred eighty million, nine hundred sixty-eight thousand, three hundred twenty-nine".