50203304513 has 2 divisors, whose sum is σ = 50203304514. Its totient is φ = 50203304512.

The previous prime is 50203304509. The next prime is 50203304519. The reversal of 50203304513 is 31540330205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38497579264 + 11705725249 = 196208^2 + 108193^2 .

It is a cyclic number.

It is not a de Polignac number, because 50203304513 - 2² = 50203304509 is a prime.

It is not a weakly prime, because it can be changed into another prime (50203304519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25101652256 + 25101652257.

It is an arithmetic number, because the mean of its divisors is an integer number (25101652257).

Almost surely, 2^50203304513 is an apocalyptic number.

It is an amenable number.

50203304513 is a deficient number, since it is larger than the sum of its proper divisors (1).

50203304513 is an equidigital number, since it uses as much as digits as its factorization.

50203304513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 50203304513 its reverse (31540330205), we get a palindrome (81743634718).

The spelling of 50203304513 in words is "fifty billion, two hundred three million, three hundred four thousand, five hundred thirteen".