2016452209 has 8 divisors (see below), whose sum is σ = 2049102920. Its totient is φ = 1983937536.

The previous prime is 2016452203. The next prime is 2016452213. The reversal of 2016452209 is 9022546102.

It can be written as a sum of positive squares in 4 ways, for example, as 298598400 + 1717853809 = 17280^2 + 41447^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2016452209 - 2⁵ = 2016452177 is a prime.

It is a super-2 number, since 2×2016452209² = 8132159022361959362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2016452203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3912 + ... + 63625.

It is an arithmetic number, because the mean of its divisors is an integer number (256137865).

Almost surely, 2^2016452209 is an apocalyptic number.

It is an amenable number.

2016452209 is a deficient number, since it is larger than the sum of its proper divisors (32650711).

2016452209 is an equidigital number, since it uses as much as digits as its factorization.

2016452209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68019.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2016452209 is about 44904.9241063828. The cubic root of 2016452209 is about 1263.3663673195.

The spelling of 2016452209 in words is "two billion, sixteen million, four hundred fifty-two thousand, two hundred nine".