2705434666 has 16 divisors (see below), whose sum is σ = 4569884928. Its totient is φ = 1190073600.

The previous prime is 2705434649. The next prime is 2705434673. The reversal of 2705434666 is 6664345072.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1982775 + ... + 1984138.

It is an arithmetic number, because the mean of its divisors is an integer number (285617808).

Almost surely, 2^2705434666 is an apocalyptic number.

2705434666 is a deficient number, since it is larger than the sum of its proper divisors (1864450262).

2705434666 is a wasteful number, since it uses less digits than its factorization.

2705434666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3966957.

The product of its (nonzero) digits is 725760, while the sum is 43.

The square root of 2705434666 is about 52013.7930360784. The cubic root of 2705434666 is about 1393.4103011569.

The spelling of 2705434666 in words is "two billion, seven hundred five million, four hundred thirty-four thousand, six hundred sixty-six".