489079369 has 4 divisors (see below), whose sum is σ = 489828996. Its totient is φ = 488329744.

The previous prime is 489079351. The next prime is 489079387. The reversal of 489079369 is 963970984.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (489079351) and next prime (489079387).

It can be written as a sum of positive squares in 2 ways, for example, as 322669369 + 166410000 = 17963^2 + 12900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-489079369 is a prime.

It is a super-2 number, since 2×489079369² = 478397258362876322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489079319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373834 + ... + 375139.

It is an arithmetic number, because the mean of its divisors is an integer number (122457249).

Almost surely, 2^489079369 is an apocalyptic number.

It is an amenable number.

489079369 is a deficient number, since it is larger than the sum of its proper divisors (749627).

489079369 is an equidigital number, since it uses as much as digits as its factorization.

489079369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749626.

The product of its (nonzero) digits is 2939328, while the sum is 55.

The square root of 489079369 is about 22115.1389098057. The cubic root of 489079369 is about 787.8794645227.

The spelling of 489079369 in words is "four hundred eighty-nine million, seventy-nine thousand, three hundred sixty-nine".