489466513 has 2 divisors, whose sum is σ = 489466514. Its totient is φ = 489466512.

The previous prime is 489466511. The next prime is 489466517. The reversal of 489466513 is 315664984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 408969729 + 80496784 = 20223^2 + 8972^2 .

It is a cyclic number.

It is not a de Polignac number, because 489466513 - 2¹ = 489466511 is a prime.

Together with 489466511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (489466511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244733256 + 244733257.

It is an arithmetic number, because the mean of its divisors is an integer number (244733257).

Almost surely, 2^489466513 is an apocalyptic number.

It is an amenable number.

489466513 is a deficient number, since it is larger than the sum of its proper divisors (1).

489466513 is an equidigital number, since it uses as much as digits as its factorization.

489466513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 46.

The square root of 489466513 is about 22123.8900964546. The cubic root of 489466513 is about 788.0872987919.

The spelling of 489466513 in words is "four hundred eighty-nine million, four hundred sixty-six thousand, five hundred thirteen".