2060909665 has 4 divisors (see below), whose sum is σ = 2473091604. Its totient is φ = 1648727728.

The previous prime is 2060909629. The next prime is 2060909693. The reversal of 2060909665 is 5669090602.

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 818417664 + 1242492001 = 28608^2 + 35249^2 .

It is a cyclic number.

It is not a de Polignac number, because 2060909665 - 2⁹ = 2060909153 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206090962 + ... + 206090971.

It is an arithmetic number, because the mean of its divisors is an integer number (618272901).

Almost surely, 2^2060909665 is an apocalyptic number.

It is an amenable number.

2060909665 is a deficient number, since it is larger than the sum of its proper divisors (412181939).

2060909665 is an equidigital number, since it uses as much as digits as its factorization.

2060909665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412181938.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 2060909665 is about 45397.2429228913. The cubic root of 2060909665 is about 1272.5835898581.

The spelling of 2060909665 in words is "two billion, sixty million, nine hundred nine thousand, six hundred sixty-five".