4005653045 has 4 divisors (see below), whose sum is σ = 4806783660. Its totient is φ = 3204522432.

The previous prime is 4005653039. The next prime is 4005653077. The reversal of 4005653045 is 5403565004.

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 419799121 + 3585853924 = 20489^2 + 59882^2 .

It is a cyclic number.

It is not a de Polignac number, because 4005653045 - 2¹² = 4005648949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400565300 + ... + 400565309.

It is an arithmetic number, because the mean of its divisors is an integer number (1201695915).

Almost surely, 2^4005653045 is an apocalyptic number.

It is an amenable number.

4005653045 is a deficient number, since it is larger than the sum of its proper divisors (801130615).

4005653045 is an equidigital number, since it uses as much as digits as its factorization.

4005653045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801130614.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 4005653045 is about 63290.2286692030. The cubic root of 4005653045 is about 1588.1485040953.

The spelling of 4005653045 in words is "four billion, five million, six hundred fifty-three thousand, forty-five".