41442123449 has 2 divisors, whose sum is σ = 41442123450. Its totient is φ = 41442123448.

The previous prime is 41442123407. The next prime is 41442123487. The reversal of 41442123449 is 94432124414.

41442123449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (41442123487) can be obtained adding 41442123449 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41324791225 + 117332224 = 203285^2 + 10832^2 .

It is a cyclic number.

It is not a de Polignac number, because 41442123449 - 2⁸ = 41442123193 is a prime.

It is not a weakly prime, because it can be changed into another prime (41442323449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20721061724 + 20721061725.

It is an arithmetic number, because the mean of its divisors is an integer number (20721061725).

Almost surely, 2^41442123449 is an apocalyptic number.

It is an amenable number.

41442123449 is a deficient number, since it is larger than the sum of its proper divisors (1).

41442123449 is an equidigital number, since it uses as much as digits as its factorization.

41442123449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 38.

The spelling of 41442123449 in words is "forty-one billion, four hundred forty-two million, one hundred twenty-three thousand, four hundred forty-nine".