75446423463617 has 2 divisors, whose sum is σ = 75446423463618. Its totient is φ = 75446423463616.

The previous prime is 75446423463601. The next prime is 75446423463629. The reversal of 75446423463617 is 71636432464457.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62438506454416 + 13007917009201 = 7901804^2 + 3606649^2 .

It is a cyclic number.

It is not a de Polignac number, because 75446423463617 - 2⁴ = 75446423463601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75446423463617.

It is not a weakly prime, because it can be changed into another prime (75446423763617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37723211731808 + 37723211731809.

It is an arithmetic number, because the mean of its divisors is an integer number (37723211731809).

Almost surely, 2^{75446423463617} is an apocalyptic number.

It is an amenable number.

75446423463617 is a deficient number, since it is larger than the sum of its proper divisors (1).

75446423463617 is an equidigital number, since it uses as much as digits as its factorization.

75446423463617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 243855360, while the sum is 62.

The spelling of 75446423463617 in words is "seventy-five trillion, four hundred forty-six billion, four hundred twenty-three million, four hundred sixty-three thousand, six hundred seventeen".