488533945891609 has 2 divisors, whose sum is σ = 488533945891610. Its totient is φ = 488533945891608.

The previous prime is 488533945891577. The next prime is 488533945891699. The reversal of 488533945891609 is 906198549335884.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 281846513241225 + 206687432650384 = 16788285^2 + 14376628^2 .

It is a cyclic number.

It is not a de Polignac number, because 488533945891609 - 2⁵ = 488533945891577 is a prime.

It is not a weakly prime, because it can be changed into another prime (488533945891699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244266972945804 + 244266972945805.

It is an arithmetic number, because the mean of its divisors is an integer number (244266972945805).

Almost surely, 2^{488533945891609} is an apocalyptic number.

It is an amenable number.

488533945891609 is a deficient number, since it is larger than the sum of its proper divisors (1).

488533945891609 is an equidigital number, since it uses as much as digits as its factorization.

488533945891609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8062156800, while the sum is 82.

The spelling of 488533945891609 in words is "four hundred eighty-eight trillion, five hundred thirty-three billion, nine hundred forty-five million, eight hundred ninety-one thousand, six hundred nine".