489206929 has 2 divisors, whose sum is σ = 489206930. Its totient is φ = 489206928.

The previous prime is 489206917. The next prime is 489206959. The reversal of 489206929 is 929602984.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 429608529 + 59598400 = 20727^2 + 7720^2 .

It is a cyclic number.

It is not a de Polignac number, because 489206929 - 2²³ = 480818321 is a prime.

It is a super-2 number, since 2×489206929² = 478646838763222082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (489206959) 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 as a sum of consecutive naturals, namely, 244603464 + 244603465.

It is an arithmetic number, because the mean of its divisors is an integer number (244603465).

Almost surely, 2^489206929 is an apocalyptic number.

It is an amenable number.

489206929 is a deficient number, since it is larger than the sum of its proper divisors (1).

489206929 is an equidigital number, since it uses as much as digits as its factorization.

489206929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 489206929 is about 22118.0227190407. The cubic root of 489206929 is about 787.9479559064.

The spelling of 489206929 in words is "four hundred eighty-nine million, two hundred six thousand, nine hundred twenty-nine".