489248488369 has 3 divisors (see below), whose sum is σ = 489249187833. Its totient is φ = 489247788906.

The previous prime is 489248488363. The next prime is 489248488381. The reversal of 489248488369 is 963884842984.

The square root of 489248488369 is 699463.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 489248488369 - 2²¹ = 489246391217 is a prime.

It is a super-2 number, since 2×489248488369² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489248488363) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 349732 + ... + 1049194.

It is an arithmetic number, because the mean of its divisors is an integer number (163083062611).

Almost surely, 2^489248488369 is an apocalyptic number.

489248488369 is the 699463-rd square number.

489248488369 is the 349732-nd centered octagonal number.

It is an amenable number.

489248488369 is a deficient number, since it is larger than the sum of its proper divisors (699464).

489248488369 is an frugal number, since it uses more digits than its factorization.

489248488369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398926 (or 699463 counting only the distinct ones).

The product of its digits is 764411904, while the sum is 73.

The spelling of 489248488369 in words is "four hundred eighty-nine billion, two hundred forty-eight million, four hundred eighty-eight thousand, three hundred sixty-nine".