2443403161 has 2 divisors, whose sum is σ = 2443403162. Its totient is φ = 2443403160.

The previous prime is 2443403153. The next prime is 2443403231. The reversal of 2443403161 is 1613043442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2152496025 + 290907136 = 46395^2 + 17056^2 .

It is a cyclic number.

It is not a de Polignac number, because 2443403161 - 2³ = 2443403153 is a prime.

It is not a weakly prime, because it can be changed into another prime (2443403111) 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, 1221701580 + 1221701581.

It is an arithmetic number, because the mean of its divisors is an integer number (1221701581).

Almost surely, 2^2443403161 is an apocalyptic number.

It is an amenable number.

2443403161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2443403161 is an equidigital number, since it uses as much as digits as its factorization.

2443403161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 2443403161 is about 49430.7916282958. The cubic root of 2443403161 is about 1346.8887035110. Note that the first 3 decimals are identical.

The spelling of 2443403161 in words is "two billion, four hundred forty-three million, four hundred three thousand, one hundred sixty-one".