303685050049 has 2 divisors, whose sum is σ = 303685050050. Its totient is φ = 303685050048.

The previous prime is 303685050037. The next prime is 303685050073. The reversal of 303685050049 is 940050586303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 263682250000 + 40002800049 = 513500^2 + 200007^2 .

It is an emirp because it is prime and its reverse (940050586303) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-303685050049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 303685049987 and 303685050014.

It is not a weakly prime, because it can be changed into another prime (303685050079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151842525024 + 151842525025.

It is an arithmetic number, because the mean of its divisors is an integer number (151842525025).

Almost surely, 2^303685050049 is an apocalyptic number.

It is an amenable number.

303685050049 is a deficient number, since it is larger than the sum of its proper divisors (1).

303685050049 is an equidigital number, since it uses as much as digits as its factorization.

303685050049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 303685050049 in words is "three hundred three billion, six hundred eighty-five million, fifty thousand, forty-nine".