45617308457449 has 2 divisors, whose sum is σ = 45617308457450. Its totient is φ = 45617308457448.

The previous prime is 45617308457431. The next prime is 45617308457507. The reversal of 45617308457449 is 94475480371654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45582752250000 + 34556207449 = 6751500^2 + 185893^2 .

It is a cyclic number.

It is not a de Polignac number, because 45617308457449 - 2⁴³ = 36821215435241 is a prime.

It is not a weakly prime, because it can be changed into another prime (45617308457249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22808654228724 + 22808654228725.

It is an arithmetic number, because the mean of its divisors is an integer number (22808654228725).

Almost surely, 2^{45617308457449} is an apocalyptic number.

It is an amenable number.

45617308457449 is a deficient number, since it is larger than the sum of its proper divisors (1).

45617308457449 is an equidigital number, since it uses as much as digits as its factorization.

45617308457449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 406425600, while the sum is 67.

The spelling of 45617308457449 in words is "forty-five trillion, six hundred seventeen billion, three hundred eight million, four hundred fifty-seven thousand, four hundred forty-nine".