489513361 has 4 divisors (see below), whose sum is σ = 492343092. Its totient is φ = 486683632.

The previous prime is 489513331. The next prime is 489513379. The reversal of 489513361 is 163315984.

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

It can be written as a sum of positive squares in 2 ways, for example, as 266309761 + 223203600 = 16319^2 + 14940^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-489513361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489513331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1414606 + ... + 1414951.

It is an arithmetic number, because the mean of its divisors is an integer number (123085773).

Almost surely, 2^489513361 is an apocalyptic number.

It is an amenable number.

489513361 is a deficient number, since it is larger than the sum of its proper divisors (2829731).

489513361 is a wasteful number, since it uses less digits than its factorization.

489513361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829730.

The product of its digits is 77760, while the sum is 40.

The square root of 489513361 is about 22124.9488360990. The cubic root of 489513361 is about 788.1124412241.

The spelling of 489513361 in words is "four hundred eighty-nine million, five hundred thirteen thousand, three hundred sixty-one".