180568049 has 2 divisors, whose sum is σ = 180568050. Its totient is φ = 180568048.

The previous prime is 180568027. The next prime is 180568081. The reversal of 180568049 is 940865081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171610000 + 8958049 = 13100^2 + 2993^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-180568049 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 180567997 and 180568015.

It is not a weakly prime, because it can be changed into another prime (180568019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90284024 + 90284025.

It is an arithmetic number, because the mean of its divisors is an integer number (90284025).

Almost surely, 2^180568049 is an apocalyptic number.

It is an amenable number.

180568049 is a deficient number, since it is larger than the sum of its proper divisors (1).

180568049 is an equidigital number, since it uses as much as digits as its factorization.

180568049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 180568049 is about 13437.5611254424. The cubic root of 180568049 is about 565.2149431489.

The spelling of 180568049 in words is "one hundred eighty million, five hundred sixty-eight thousand, forty-nine".