489236147 has 2 divisors, whose sum is σ = 489236148. Its totient is φ = 489236146.

The previous prime is 489236129. The next prime is 489236171. The reversal of 489236147 is 741632984.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 489236147 - 2⁸ = 489235891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 489236098 and 489236107.

It is not a weakly prime, because it can be changed into another prime (489238147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244618073 + 244618074.

It is an arithmetic number, because the mean of its divisors is an integer number (244618074).

Almost surely, 2^489236147 is an apocalyptic number.

489236147 is a deficient number, since it is larger than the sum of its proper divisors (1).

489236147 is an equidigital number, since it uses as much as digits as its factorization.

489236147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 44.

The square root of 489236147 is about 22118.6832112583. The cubic root of 489236147 is about 787.9636423870.

The spelling of 489236147 in words is "four hundred eighty-nine million, two hundred thirty-six thousand, one hundred forty-seven".