2720094209 has 8 divisors (see below), whose sum is σ = 3109318848. Its totient is φ = 2331029520.

The previous prime is 2720094199. The next prime is 2720094227. The reversal of 2720094209 is 9024900272.

It is a happy number.

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 2720094209 - 2⁴ = 2720094193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2720094229) 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, 1007 + ... + 73764.

It is an arithmetic number, because the mean of its divisors is an integer number (388664856).

Almost surely, 2^2720094209 is an apocalyptic number.

It is an amenable number.

2720094209 is a deficient number, since it is larger than the sum of its proper divisors (389224639).

2720094209 is an equidigital number, since it uses as much as digits as its factorization.

2720094209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79975.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 2720094209 is about 52154.5224213586. The cubic root of 2720094209 is about 1395.9225252431.

The spelling of 2720094209 in words is "two billion, seven hundred twenty million, ninety-four thousand, two hundred nine".