2700657206605 has 4 divisors (see below), whose sum is σ = 3240788647932. Its totient is φ = 2160525765280.

The previous prime is 2700657206587. The next prime is 2700657206623. The reversal of 2700657206605 is 5066027560072.

2700657206605 is digitally balanced in base 3, 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.

It is an interprime number because it is at equal distance from previous prime (2700657206587) and next prime (2700657206623).

It can be written as a sum of positive squares in 2 ways, for example, as 966078649449 + 1734578557156 = 982893^2 + 1317034^2 .

It is not a de Polignac number, because 2700657206605 - 2⁵ = 2700657206573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270065720656 + ... + 270065720665.

It is an arithmetic number, because the mean of its divisors is an integer number (810197161983).

Almost surely, 2^{2700657206605} is an apocalyptic number.

It is an amenable number.

2700657206605 is a deficient number, since it is larger than the sum of its proper divisors (540131441327).

2700657206605 is an equidigital number, since it uses as much as digits as its factorization.

2700657206605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540131441326.

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 2700657206605 in words is "two trillion, seven hundred billion, six hundred fifty-seven million, two hundred six thousand, six hundred five".