489112946657 has 2 divisors, whose sum is σ = 489112946658. Its totient is φ = 489112946656.

The previous prime is 489112946503. The next prime is 489112946671. The reversal of 489112946657 is 756649211984.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 340827110416 + 148285836241 = 583804^2 + 385079^2 .

It is a cyclic number.

It is not a de Polignac number, because 489112946657 - 2²⁶ = 489045837793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 489112946657.

It is not a weakly prime, because it can be changed into another prime (489112246657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244556473328 + 244556473329.

It is an arithmetic number, because the mean of its divisors is an integer number (244556473329).

Almost surely, 2^489112946657 is an apocalyptic number.

It is an amenable number.

489112946657 is a deficient number, since it is larger than the sum of its proper divisors (1).

489112946657 is an equidigital number, since it uses as much as digits as its factorization.

489112946657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26127360, while the sum is 62.

The spelling of 489112946657 in words is "four hundred eighty-nine billion, one hundred twelve million, nine hundred forty-six thousand, six hundred fifty-seven".