459209099 has 4 divisors (see below), whose sum is σ = 479174736. Its totient is φ = 439243464.

The previous prime is 459209087. The next prime is 459209131. The reversal of 459209099 is 990902954.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 990902954 = 2 ⋅495451477.

It is a cyclic number.

It is not a de Polignac number, because 459209099 - 2⁸ = 459208843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (459209059) 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, 9982784 + ... + 9982829.

It is an arithmetic number, because the mean of its divisors is an integer number (119793684).

Almost surely, 2^459209099 is an apocalyptic number.

459209099 is a deficient number, since it is larger than the sum of its proper divisors (19965637).

459209099 is a wasteful number, since it uses less digits than its factorization.

459209099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19965636.

The product of its (nonzero) digits is 262440, while the sum is 47.

The square root of 459209099 is about 21429.1646827402. The cubic root of 459209099 is about 771.5015950160.

The spelling of 459209099 in words is "four hundred fifty-nine million, two hundred nine thousand, ninety-nine".