4394961169 has 2 divisors, whose sum is σ = 4394961170. Its totient is φ = 4394961168.

The previous prime is 4394961161. The next prime is 4394961229. The reversal of 4394961169 is 9611694934.

4394961169 is digitally balanced in base 3, 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., 3271840000 + 1123121169 = 57200^2 + 33513^2 .

It is a cyclic number.

It is not a de Polignac number, because 4394961169 - 2³ = 4394961161 is a prime.

It is a super-2 number, since 2×4394961169² = 38631367354035693122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4394961161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2197480584 + 2197480585.

It is an arithmetic number, because the mean of its divisors is an integer number (2197480585).

Almost surely, 2^4394961169 is an apocalyptic number.

It is an amenable number.

4394961169 is a deficient number, since it is larger than the sum of its proper divisors (1).

4394961169 is an equidigital number, since it uses as much as digits as its factorization.

4394961169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1259712, while the sum is 52.

The square root of 4394961169 is about 66294.5033090980. The cubic root of 4394961169 is about 1638.0167838738.

The spelling of 4394961169 in words is "four billion, three hundred ninety-four million, nine hundred sixty-one thousand, one hundred sixty-nine".