459648979 has 4 divisors (see below), whose sum is σ = 459698976. Its totient is φ = 459598984.

The previous prime is 459648977. The next prime is 459649027. The reversal of 459648979 is 979846954.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 459648979 - 2¹ = 459648977 is a prime.

It is a super-2 number, since 2×459648979² = 422554367791484882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (459648977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6784 + ... + 31069.

It is an arithmetic number, because the mean of its divisors is an integer number (114924744).

Almost surely, 2^459648979 is an apocalyptic number.

459648979 is a deficient number, since it is larger than the sum of its proper divisors (49997).

459648979 is a wasteful number, since it uses less digits than its factorization.

459648979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49996.

The product of its digits is 19595520, while the sum is 61.

The square root of 459648979 is about 21439.4258085425. The cubic root of 459648979 is about 771.7478588776.

The spelling of 459648979 in words is "four hundred fifty-nine million, six hundred forty-eight thousand, nine hundred seventy-nine".