2680646205 has 32 divisors (see below), whose sum is σ = 4495712256. Its totient is φ = 1361346624.

The previous prime is 2680646201. The next prime is 2680646219. The reversal of 2680646205 is 5026460862.

It is not a de Polignac number, because 2680646205 - 2² = 2680646201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2680646201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59514 + ... + 94356.

It is an arithmetic number, because the mean of its divisors is an integer number (140491008).

Almost surely, 2^2680646205 is an apocalyptic number.

It is an amenable number.

2680646205 is a deficient number, since it is larger than the sum of its proper divisors (1815066051).

2680646205 is a wasteful number, since it uses less digits than its factorization.

2680646205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35097.

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 2680646205 is about 51774.9573152890. The cubic root of 2680646205 is about 1389.1415441862.

The spelling of 2680646205 in words is "two billion, six hundred eighty million, six hundred forty-six thousand, two hundred five".