2014451209 has 4 divisors (see below), whose sum is σ = 2014546180. Its totient is φ = 2014356240.

The previous prime is 2014451191. The next prime is 2014451233. The reversal of 2014451209 is 9021544102.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9021544102 = 2 ⋅4510772051.

It can be written as a sum of positive squares in 2 ways, for example, as 102313225 + 1912137984 = 10115^2 + 43728^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2014451209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2014451239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487 + ... + 63475.

It is an arithmetic number, because the mean of its divisors is an integer number (503636545).

Almost surely, 2^2014451209 is an apocalyptic number.

It is an amenable number.

2014451209 is a deficient number, since it is larger than the sum of its proper divisors (94971).

2014451209 is an equidigital number, since it uses as much as digits as its factorization.

2014451209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94970.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2014451209 is about 44882.6381688956. The cubic root of 2014451209 is about 1262.9483339771.

The spelling of 2014451209 in words is "two billion, fourteen million, four hundred fifty-one thousand, two hundred nine".