464560489 has 4 divisors (see below), whose sum is σ = 464625220. Its totient is φ = 464495760.

The previous prime is 464560471. The next prime is 464560511. The reversal of 464560489 is 984065464.

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 362712025 + 101848464 = 19045^2 + 10092^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-464560489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (464560189) 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, 20034 + ... + 36475.

It is an arithmetic number, because the mean of its divisors is an integer number (116156305).

Almost surely, 2^464560489 is an apocalyptic number.

It is an amenable number.

464560489 is a deficient number, since it is larger than the sum of its proper divisors (64731).

464560489 is an equidigital number, since it uses as much as digits as its factorization.

464560489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64730.

The product of its (nonzero) digits is 829440, while the sum is 46.

The square root of 464560489 is about 21553.6653263430. The cubic root of 464560489 is about 774.4869245020.

The spelling of 464560489 in words is "four hundred sixty-four million, five hundred sixty thousand, four hundred eighty-nine".