459147649 has 4 divisors (see below), whose sum is σ = 460624320. Its totient is φ = 457670980.

The previous prime is 459147641. The next prime is 459147697. The reversal of 459147649 is 946741954.

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 459147649 - 2³ = 459147641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (459147641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 737869 + ... + 738490.

It is an arithmetic number, because the mean of its divisors is an integer number (115156080).

Almost surely, 2^459147649 is an apocalyptic number.

It is an amenable number.

459147649 is a deficient number, since it is larger than the sum of its proper divisors (1476671).

459147649 is a wasteful number, since it uses less digits than its factorization.

459147649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476670.

The product of its digits is 1088640, while the sum is 49.

The square root of 459147649 is about 21427.7308411320. The cubic root of 459147649 is about 771.4671801289.

The spelling of 459147649 in words is "four hundred fifty-nine million, one hundred forty-seven thousand, six hundred forty-nine".