1008727928449 has 2 divisors, whose sum is σ = 1008727928450. Its totient is φ = 1008727928448.

The previous prime is 1008727928443. The next prime is 1008727928503. The reversal of 1008727928449 is 9448297278001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 965158880625 + 43569047824 = 982425^2 + 208732^2 .

It is an emirp because it is prime and its reverse (9448297278001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1008727928449 is a prime.

It is not a weakly prime, because it can be changed into another prime (1008727928443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504363964224 + 504363964225.

It is an arithmetic number, because the mean of its divisors is an integer number (504363964225).

Almost surely, 2^{1008727928449} is an apocalyptic number.

It is an amenable number.

1008727928449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1008727928449 is an equidigital number, since it uses as much as digits as its factorization.

1008727928449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16257024, while the sum is 61.

The spelling of 1008727928449 in words is "one trillion, eight billion, seven hundred twenty-seven million, nine hundred twenty-eight thousand, four hundred forty-nine".