4328521493 has 2 divisors, whose sum is σ = 4328521494. Its totient is φ = 4328521492.

The previous prime is 4328521459. The next prime is 4328521529. The reversal of 4328521493 is 3941258234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2777500804 + 1551020689 = 52702^2 + 39383^2 .

It is a cyclic number.

It is not a de Polignac number, because 4328521493 - 2¹⁴ = 4328505109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4328521493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4328521403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2164260746 + 2164260747.

It is an arithmetic number, because the mean of its divisors is an integer number (2164260747).

Almost surely, 2^4328521493 is an apocalyptic number.

It is an amenable number.

4328521493 is a deficient number, since it is larger than the sum of its proper divisors (1).

4328521493 is an equidigital number, since it uses as much as digits as its factorization.

4328521493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 41.

The square root of 4328521493 is about 65791.5001576951. The cubic root of 4328521493 is about 1629.7207411736.

The spelling of 4328521493 in words is "four billion, three hundred twenty-eight million, five hundred twenty-one thousand, four hundred ninety-three".