489237929 has 2 divisors, whose sum is σ = 489237930. Its totient is φ = 489237928.

The previous prime is 489237923. The next prime is 489237937. The reversal of 489237929 is 929732984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 379470400 + 109767529 = 19480^2 + 10477^2 .

It is a cyclic number.

It is not a de Polignac number, because 489237929 - 2⁸ = 489237673 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (489237923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244618964 + 244618965.

It is an arithmetic number, because the mean of its divisors is an integer number (244618965).

Almost surely, 2^489237929 is an apocalyptic number.

It is an amenable number.

489237929 is a deficient number, since it is larger than the sum of its proper divisors (1).

489237929 is an equidigital number, since it uses as much as digits as its factorization.

489237929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 53.

The square root of 489237929 is about 22118.7234939090. The cubic root of 489237929 is about 787.9645990822.

The spelling of 489237929 in words is "four hundred eighty-nine million, two hundred thirty-seven thousand, nine hundred twenty-nine".