2045536213 has 12 divisors (see below), whose sum is σ = 2383182540. Its totient is φ = 1750604352.

The previous prime is 2045536189. The next prime is 2045536243. The reversal of 2045536213 is 3126355402.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 327682404 + 1717853809 = 18102^2 + 41447^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2045536213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045536243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33 + ... + 63961.

It is an arithmetic number, because the mean of its divisors is an integer number (198598545).

Almost surely, 2^2045536213 is an apocalyptic number.

It is an amenable number.

2045536213 is a deficient number, since it is larger than the sum of its proper divisors (337646327).

2045536213 is an equidigital number, since it uses as much as digits as its factorization.

2045536213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64596 (or 64589 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 2045536213 is about 45227.6045463387. The cubic root of 2045536213 is about 1269.4113900810.

The spelling of 2045536213 in words is "two billion, forty-five million, five hundred thirty-six thousand, two hundred thirteen".