203794422413 has 2 divisors, whose sum is σ = 203794422414. Its totient is φ = 203794422412.

The previous prime is 203794422397. The next prime is 203794422443. The reversal of 203794422413 is 314224497302.

203794422413 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., 198757255684 + 5037166729 = 445822^2 + 70973^2 .

It is a cyclic number.

It is not a de Polignac number, because 203794422413 - 2⁴ = 203794422397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203794422443) 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, 101897211206 + 101897211207.

It is an arithmetic number, because the mean of its divisors is an integer number (101897211207).

Almost surely, 2^203794422413 is an apocalyptic number.

It is an amenable number.

203794422413 is a deficient number, since it is larger than the sum of its proper divisors (1).

203794422413 is an equidigital number, since it uses as much as digits as its factorization.

203794422413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 41.

The spelling of 203794422413 in words is "two hundred three billion, seven hundred ninety-four million, four hundred twenty-two thousand, four hundred thirteen".