203424616349 has 2 divisors, whose sum is σ = 203424616350. Its totient is φ = 203424616348.

The previous prime is 203424616319. The next prime is 203424616433. The reversal of 203424616349 is 943616424302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195085639225 + 8338977124 = 441685^2 + 91318^2 .

It is a cyclic number.

It is not a de Polignac number, because 203424616349 - 2⁸ = 203424616093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203424616319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101712308174 + 101712308175.

It is an arithmetic number, because the mean of its divisors is an integer number (101712308175).

Almost surely, 2^203424616349 is an apocalyptic number.

It is an amenable number.

203424616349 is a deficient number, since it is larger than the sum of its proper divisors (1).

203424616349 is an equidigital number, since it uses as much as digits as its factorization.

203424616349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 44.

The spelling of 203424616349 in words is "two hundred three billion, four hundred twenty-four million, six hundred sixteen thousand, three hundred forty-nine".