2705360661 has 16 divisors (see below), whose sum is σ = 4009219200. Its totient is φ = 1802998944.

The previous prime is 2705360653. The next prime is 2705360663. The reversal of 2705360661 is 1660635072.

It is not a de Polignac number, because 2705360661 - 2³ = 2705360653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2705360663) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 81025 + ... + 109433.

It is an arithmetic number, because the mean of its divisors is an integer number (250576200).

Almost surely, 2^2705360661 is an apocalyptic number.

It is an amenable number.

2705360661 is a deficient number, since it is larger than the sum of its proper divisors (1303858539).

2705360661 is a wasteful number, since it uses less digits than its factorization.

2705360661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31945 (or 31939 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 2705360661 is about 52013.0816333737. The cubic root of 2705360661 is about 1393.3975958332.

The spelling of 2705360661 in words is "two billion, seven hundred five million, three hundred sixty thousand, six hundred sixty-one".