630180169 has 2 divisors, whose sum is σ = 630180170. Its totient is φ = 630180168.

The previous prime is 630180149. The next prime is 630180301. The reversal of 630180169 is 961081036.

630180169 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., 482241600 + 147938569 = 21960^2 + 12163^2 .

It is a cyclic number.

It is not a de Polignac number, because 630180169 - 2⁵ = 630180137 is a prime.

It is a super-2 number, since 2×630180169² = 794254090801737122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (630180119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315090084 + 315090085.

It is an arithmetic number, because the mean of its divisors is an integer number (315090085).

Almost surely, 2^630180169 is an apocalyptic number.

It is an amenable number.

630180169 is a deficient number, since it is larger than the sum of its proper divisors (1).

630180169 is an equidigital number, since it uses as much as digits as its factorization.

630180169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 630180169 is about 25103.3895918460. The cubic root of 630180169 is about 857.3436010863.

The spelling of 630180169 in words is "six hundred thirty million, one hundred eighty thousand, one hundred sixty-nine".