489995530553 has 2 divisors, whose sum is σ = 489995530554. Its totient is φ = 489995530552.

The previous prime is 489995530471. The next prime is 489995530567. The reversal of 489995530553 is 355035599984.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 341514009664 + 148481520889 = 584392^2 + 385333^2 .

It is a cyclic number.

It is not a de Polignac number, because 489995530553 - 2¹⁶ = 489995465017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 489995530553.

It is not a weakly prime, because it can be changed into another prime (489995530853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244997765276 + 244997765277.

It is an arithmetic number, because the mean of its divisors is an integer number (244997765277).

Almost surely, 2^489995530553 is an apocalyptic number.

It is an amenable number.

489995530553 is a deficient number, since it is larger than the sum of its proper divisors (1).

489995530553 is an equidigital number, since it uses as much as digits as its factorization.

489995530553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131220000, while the sum is 65.

The spelling of 489995530553 in words is "four hundred eighty-nine billion, nine hundred ninety-five million, five hundred thirty thousand, five hundred fifty-three".