2956709665 has 32 divisors (see below), whose sum is σ = 4432055040. Its totient is φ = 1843547904.

The previous prime is 2956709659. The next prime is 2956709687. The reversal of 2956709665 is 5669076592.

2956709665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2956709665 - 2⁹ = 2956709153 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18010 + ... + 78979.

It is an arithmetic number, because the mean of its divisors is an integer number (138501720).

Almost surely, 2^2956709665 is an apocalyptic number.

It is an amenable number.

2956709665 is a deficient number, since it is larger than the sum of its proper divisors (1475345375).

2956709665 is a wasteful number, since it uses less digits than its factorization.

2956709665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97081.

The product of its (nonzero) digits is 6123600, while the sum is 55.

The square root of 2956709665 is about 54375.6348468687. The cubic root of 2956709665 is about 1435.2786575362.

The spelling of 2956709665 in words is "two billion, nine hundred fifty-six million, seven hundred nine thousand, six hundred sixty-five".