2059409665 has 24 divisors (see below), whose sum is σ = 2635680960. Its totient is φ = 1544433408.

The previous prime is 2059409659. The next prime is 2059409687. The reversal of 2059409665 is 5669049502.

It is not a de Polignac number, because 2059409665 - 2⁹ = 2059409153 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 377326 + ... + 382744.

It is an arithmetic number, because the mean of its divisors is an integer number (109820040).

Almost surely, 2^2059409665 is an apocalyptic number.

It is an amenable number.

2059409665 is a deficient number, since it is larger than the sum of its proper divisors (576271295).

2059409665 is a wasteful number, since it uses less digits than its factorization.

2059409665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5721 (or 5704 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 46.

The square root of 2059409665 is about 45380.7190886174. The cubic root of 2059409665 is about 1272.2747717475.

The spelling of 2059409665 in words is "two billion, fifty-nine million, four hundred nine thousand, six hundred sixty-five".