630165182243 has 2 divisors, whose sum is σ = 630165182244. Its totient is φ = 630165182242.

The previous prime is 630165182239. The next prime is 630165182327. The reversal of 630165182243 is 342281561036.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 630165182243 - 2² = 630165182239 is a prime.

It is a super-2 number, since 2×630165182243² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 630165182243.

It is not a weakly prime, because it can be changed into another prime (630165182233) 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, 315082591121 + 315082591122.

It is an arithmetic number, because the mean of its divisors is an integer number (315082591122).

Almost surely, 2^630165182243 is an apocalyptic number.

630165182243 is a deficient number, since it is larger than the sum of its proper divisors (1).

630165182243 is an equidigital number, since it uses as much as digits as its factorization.

630165182243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 630165182243 in words is "six hundred thirty billion, one hundred sixty-five million, one hundred eighty-two thousand, two hundred forty-three".