459216961 has 4 divisors (see below), whose sum is σ = 524819392. Its totient is φ = 393614532.

The previous prime is 459216959. The next prime is 459216973. The reversal of 459216961 is 169612954.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 459216961 - 2¹ = 459216959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (459216991) 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, 32801205 + ... + 32801218.

It is an arithmetic number, because the mean of its divisors is an integer number (131204848).

Almost surely, 2^459216961 is an apocalyptic number.

It is an amenable number.

459216961 is a deficient number, since it is larger than the sum of its proper divisors (65602431).

459216961 is an equidigital number, since it uses as much as digits as its factorization.

459216961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65602430.

The product of its digits is 116640, while the sum is 43.

The square root of 459216961 is about 21429.3481235431. The cubic root of 459216961 is about 771.5059978838.

The spelling of 459216961 in words is "four hundred fifty-nine million, two hundred sixteen thousand, nine hundred sixty-one".