2045606513 has 16 divisors (see below), whose sum is σ = 2102305920. Its totient is φ = 1989792000.

The previous prime is 2045606509. The next prime is 2045606533. The reversal of 2045606513 is 3156065402.

It is a cyclic number.

It is not a de Polignac number, because 2045606513 - 2² = 2045606509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2045606513.

It is not an unprimeable number, because it can be changed into a prime (2045606503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3103778 + ... + 3104436.

It is an arithmetic number, because the mean of its divisors is an integer number (131394120).

Almost surely, 2^2045606513 is an apocalyptic number.

It is an amenable number.

2045606513 is a deficient number, since it is larger than the sum of its proper divisors (56699407).

2045606513 is a wasteful number, since it uses less digits than its factorization.

2045606513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 2045606513 is about 45228.3817198891. The cubic root of 2045606513 is about 1269.4259320868.

The spelling of 2045606513 in words is "two billion, forty-five million, six hundred six thousand, five hundred thirteen".