489624913 has 2 divisors, whose sum is σ = 489624914. Its totient is φ = 489624912.

The previous prime is 489624907. The next prime is 489624917. The reversal of 489624913 is 319426984.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 405297424 + 84327489 = 20132^2 + 9183^2 .

It is a cyclic number.

It is not a de Polignac number, because 489624913 - 2¹⁷ = 489493841 is a prime.

It is not a weakly prime, because it can be changed into another prime (489624917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244812456 + 244812457.

It is an arithmetic number, because the mean of its divisors is an integer number (244812457).

Almost surely, 2^489624913 is an apocalyptic number.

It is an amenable number.

489624913 is a deficient number, since it is larger than the sum of its proper divisors (1).

489624913 is an equidigital number, since it uses as much as digits as its factorization.

489624913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 46.

The square root of 489624913 is about 22127.4696474766. The cubic root of 489624913 is about 788.1723026081.

The spelling of 489624913 in words is "four hundred eighty-nine million, six hundred twenty-four thousand, nine hundred thirteen".