459165109 has 16 divisors (see below), whose sum is σ = 513528624. Its totient is φ = 407808000.

The previous prime is 459165073. The next prime is 459165131. The reversal of 459165109 is 901561954.

It can be written as a sum of positive squares in 8 ways, for example, as 79032100 + 380133009 = 8890^2 + 19497^2 .

It is a cyclic number.

It is not a de Polignac number, because 459165109 - 2¹³ = 459156917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (459165139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33009 + ... + 44809.

It is an arithmetic number, because the mean of its divisors is an integer number (32095539).

Almost surely, 2^459165109 is an apocalyptic number.

It is an amenable number.

459165109 is a deficient number, since it is larger than the sum of its proper divisors (54363515).

459165109 is a wasteful number, since it uses less digits than its factorization.

459165109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11928.

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 459165109 is about 21428.1382532408. The cubic root of 459165109 is about 771.4769588615.

The spelling of 459165109 in words is "four hundred fifty-nine million, one hundred sixty-five thousand, one hundred nine".