489058961 has 4 divisors (see below), whose sum is σ = 489150900. Its totient is φ = 488967024.

The previous prime is 489058943. The next prime is 489058963. The reversal of 489058961 is 169850984.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 95433361 + 393625600 = 9769^2 + 19840^2 .

It is a cyclic number.

It is not a de Polignac number, because 489058961 - 2⁶ = 489058897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489058963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37466 + ... + 48803.

It is an arithmetic number, because the mean of its divisors is an integer number (122287725).

Almost surely, 2^489058961 is an apocalyptic number.

It is an amenable number.

489058961 is a deficient number, since it is larger than the sum of its proper divisors (91939).

489058961 is an equidigital number, since it uses as much as digits as its factorization.

489058961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91938.

The product of its (nonzero) digits is 622080, while the sum is 50.

The square root of 489058961 is about 22114.6775016051. The cubic root of 489058961 is about 787.8685056553.

The spelling of 489058961 in words is "four hundred eighty-nine million, fifty-eight thousand, nine hundred sixty-one".