2056962665 has 4 divisors (see below), whose sum is σ = 2468355204. Its totient is φ = 1645570128.

The previous prime is 2056962647. The next prime is 2056962673. The reversal of 2056962665 is 5662696502.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1261102144 + 795860521 = 35512^2 + 28211^2 .

It is a cyclic number.

It is not a de Polignac number, because 2056962665 - 2²⁴ = 2040185449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205696262 + ... + 205696271.

It is an arithmetic number, because the mean of its divisors is an integer number (617088801).

Almost surely, 2^2056962665 is an apocalyptic number.

It is an amenable number.

2056962665 is a deficient number, since it is larger than the sum of its proper divisors (411392539).

2056962665 is an equidigital number, since it uses as much as digits as its factorization.

2056962665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411392538.

The product of its (nonzero) digits is 1166400, while the sum is 47.

The square root of 2056962665 is about 45353.7502859466. The cubic root of 2056962665 is about 1271.7706644628.

The spelling of 2056962665 in words is "two billion, fifty-six million, nine hundred sixty-two thousand, six hundred sixty-five".