488984405718257 has 2 divisors, whose sum is σ = 488984405718258. Its totient is φ = 488984405718256.

The previous prime is 488984405718197. The next prime is 488984405718269. The reversal of 488984405718257 is 752817504489884.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 407597376499681 + 81387029218576 = 20189041^2 + 9021476^2 .

It is a cyclic number.

It is not a de Polignac number, because 488984405718257 - 2¹⁰ = 488984405717233 is a prime.

It is not a weakly prime, because it can be changed into another prime (488984405714257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244492202859128 + 244492202859129.

It is an arithmetic number, because the mean of its divisors is an integer number (244492202859129).

Almost surely, 2^{488984405718257} is an apocalyptic number.

It is an amenable number.

488984405718257 is a deficient number, since it is larger than the sum of its proper divisors (1).

488984405718257 is an equidigital number, since it uses as much as digits as its factorization.

488984405718257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5780275200, while the sum is 80.

The spelling of 488984405718257 in words is "four hundred eighty-eight trillion, nine hundred eighty-four billion, four hundred five million, seven hundred eighteen thousand, two hundred fifty-seven".