4531640329 has 4 divisors (see below), whose sum is σ = 4543290180. Its totient is φ = 4519990480.

The previous prime is 4531640327. The next prime is 4531640339. The reversal of 4531640329 is 9230461354.

4531640329 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 1493977104 + 3037663225 = 38652^2 + 55115^2 .

It is a cyclic number.

It is not a de Polignac number, because 4531640329 - 2¹ = 4531640327 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4531640327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5824342 + ... + 5825119.

It is an arithmetic number, because the mean of its divisors is an integer number (1135822545).

Almost surely, 2^4531640329 is an apocalyptic number.

It is an amenable number.

4531640329 is a deficient number, since it is larger than the sum of its proper divisors (11649851).

4531640329 is a wasteful number, since it uses less digits than its factorization.

4531640329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11649850.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 4531640329 is about 67317.4593177728. The cubic root of 4531640329 is about 1654.8240006585.

The spelling of 4531640329 in words is "four billion, five hundred thirty-one million, six hundred forty thousand, three hundred twenty-nine".