203442440329 has 2 divisors, whose sum is σ = 203442440330. Its totient is φ = 203442440328.

The previous prime is 203442440317. The next prime is 203442440347. The reversal of 203442440329 is 923044244302.

203442440329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200184656400 + 3257783929 = 447420^2 + 57077^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203442440329 is a prime.

It is not a weakly prime, because it can be changed into another prime (203442440029) 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 as a sum of consecutive naturals, namely, 101721220164 + 101721220165.

It is an arithmetic number, because the mean of its divisors is an integer number (101721220165).

Almost surely, 2^203442440329 is an apocalyptic number.

It is an amenable number.

203442440329 is a deficient number, since it is larger than the sum of its proper divisors (1).

203442440329 is an equidigital number, since it uses as much as digits as its factorization.

203442440329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 37.

The spelling of 203442440329 in words is "two hundred three billion, four hundred forty-two million, four hundred forty thousand, three hundred twenty-nine".