449373457513 has 2 divisors, whose sum is σ = 449373457514. Its totient is φ = 449373457512.

The previous prime is 449373457483. The next prime is 449373457607. The reversal of 449373457513 is 315754373944.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 442821040704 + 6552416809 = 665448^2 + 80947^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-449373457513 is a prime.

It is a super-2 number, since 2×449373457513² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (449373497513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224686728756 + 224686728757.

It is an arithmetic number, because the mean of its divisors is an integer number (224686728757).

Almost surely, 2^449373457513 is an apocalyptic number.

It is an amenable number.

449373457513 is a deficient number, since it is larger than the sum of its proper divisors (1).

449373457513 is an equidigital number, since it uses as much as digits as its factorization.

449373457513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19051200, while the sum is 55.

The spelling of 449373457513 in words is "four hundred forty-nine billion, three hundred seventy-three million, four hundred fifty-seven thousand, five hundred thirteen".