180985619063 has 2 divisors, whose sum is σ = 180985619064. Its totient is φ = 180985619062.

The previous prime is 180985619047. The next prime is 180985619077. The reversal of 180985619063 is 360916589081.

180985619063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 180985619063 - 2⁴ = 180985619047 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (180985619033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90492809531 + 90492809532.

It is an arithmetic number, because the mean of its divisors is an integer number (90492809532).

Almost surely, 2^180985619063 is an apocalyptic number.

180985619063 is a deficient number, since it is larger than the sum of its proper divisors (1).

180985619063 is an equidigital number, since it uses as much as digits as its factorization.

180985619063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2799360, while the sum is 56.

The spelling of 180985619063 in words is "one hundred eighty billion, nine hundred eighty-five million, six hundred nineteen thousand, sixty-three".