2680070209 has 4 divisors (see below), whose sum is σ = 2680573104. Its totient is φ = 2679567316.

The previous prime is 2680070207. The next prime is 2680070219. The reversal of 2680070209 is 9020700862.

2680070209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2680070209 - 2¹ = 2680070207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2680070207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243367 + ... + 254140.

It is an arithmetic number, because the mean of its divisors is an integer number (670143276).

Almost surely, 2^2680070209 is an apocalyptic number.

It is an amenable number.

2680070209 is a deficient number, since it is larger than the sum of its proper divisors (502895).

2680070209 is an equidigital number, since it uses as much as digits as its factorization.

2680070209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502894.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 2680070209 is about 51769.3945203148. The cubic root of 2680070209 is about 1389.0420411525.

The spelling of 2680070209 in words is "two billion, six hundred eighty million, seventy thousand, two hundred nine".