203505545459 has 2 divisors, whose sum is σ = 203505545460. Its totient is φ = 203505545458.

The previous prime is 203505545431. The next prime is 203505545461. The reversal of 203505545459 is 954545505302.

203505545459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203505545459 is a prime.

Together with 203505545461, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (203505545359) 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, 101752772729 + 101752772730.

It is an arithmetic number, because the mean of its divisors is an integer number (101752772730).

Almost surely, 2^203505545459 is an apocalyptic number.

203505545459 is a deficient number, since it is larger than the sum of its proper divisors (1).

203505545459 is an equidigital number, since it uses as much as digits as its factorization.

203505545459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700000, while the sum is 47.

The spelling of 203505545459 in words is "two hundred three billion, five hundred five million, five hundred forty-five thousand, four hundred fifty-nine".