489737953 has 2 divisors, whose sum is σ = 489737954. Its totient is φ = 489737952.

The previous prime is 489737929. The next prime is 489738013. The reversal of 489737953 is 359737984.

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., 482593024 + 7144929 = 21968^2 + 2673^2 .

It is a cyclic number.

It is not a de Polignac number, because 489737953 - 2¹⁷ = 489606881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 489737894 and 489737903.

It is not a weakly prime, because it can be changed into another prime (489737153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244868976 + 244868977.

It is an arithmetic number, because the mean of its divisors is an integer number (244868977).

Almost surely, 2^489737953 is an apocalyptic number.

It is an amenable number.

489737953 is a deficient number, since it is larger than the sum of its proper divisors (1).

489737953 is an equidigital number, since it uses as much as digits as its factorization.

489737953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5715360, while the sum is 55.

The square root of 489737953 is about 22130.0237912208. The cubic root of 489737953 is about 788.2329532130.

The spelling of 489737953 in words is "four hundred eighty-nine million, seven hundred thirty-seven thousand, nine hundred fifty-three".