493028802449 has 2 divisors, whose sum is σ = 493028802450. Its totient is φ = 493028802448.

The previous prime is 493028802421. The next prime is 493028802491. The reversal of 493028802449 is 944208820394.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 493004792449 + 24010000 = 702143^2 + 4900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-493028802449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 493028802449.

It is not a weakly prime, because it can be changed into another prime (493028802499) 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, 246514401224 + 246514401225.

It is an arithmetic number, because the mean of its divisors is an integer number (246514401225).

Almost surely, 2^493028802449 is an apocalyptic number.

It is an amenable number.

493028802449 is a deficient number, since it is larger than the sum of its proper divisors (1).

493028802449 is an equidigital number, since it uses as much as digits as its factorization.

493028802449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3981312, while the sum is 53.

The spelling of 493028802449 in words is "four hundred ninety-three billion, twenty-eight million, eight hundred two thousand, four hundred forty-nine".