2045563513 has 12 divisors (see below), whose sum is σ = 2396210560. Its totient is φ = 1710565920.

The previous prime is 2045563501. The next prime is 2045563529. The reversal of 2045563513 is 3153655402.

It is not a de Polignac number, because 2045563513 - 2⁹ = 2045563001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2045563543) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 75153 + ... + 98686.

Almost surely, 2^2045563513 is an apocalyptic number.

It is an amenable number.

2045563513 is a deficient number, since it is larger than the sum of its proper divisors (350647047).

2045563513 is an equidigital number, since it uses as much as digits as its factorization.

2045563513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173928 (or 173887 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 2045563513 is about 45227.9063521627. The cubic root of 2045563513 is about 1269.4170373007.

The spelling of 2045563513 in words is "two billion, forty-five million, five hundred sixty-three thousand, five hundred thirteen".