4161543743437 has 2 divisors, whose sum is σ = 4161543743438. Its totient is φ = 4161543743436.

The previous prime is 4161543743411. The next prime is 4161543743449. The reversal of 4161543743437 is 7343473451614.

4161543743437 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3980288344356 + 181255399081 = 1995066^2 + 425741^2 .

It is a cyclic number.

It is not a de Polignac number, because 4161543743437 - 2²⁷ = 4161409525709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4161543143437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2080771871718 + 2080771871719.

It is an arithmetic number, because the mean of its divisors is an integer number (2080771871719).

Almost surely, 2^{4161543743437} is an apocalyptic number.

It is an amenable number.

4161543743437 is a deficient number, since it is larger than the sum of its proper divisors (1).

4161543743437 is an equidigital number, since it uses as much as digits as its factorization.

4161543743437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10160640, while the sum is 52.

The spelling of 4161543743437 in words is "four trillion, one hundred sixty-one billion, five hundred forty-three million, seven hundred forty-three thousand, four hundred thirty-seven".