50505050249 has 2 divisors, whose sum is σ = 50505050250. Its totient is φ = 50505050248.

The previous prime is 50505050201. The next prime is 50505050261. The reversal of 50505050249 is 94205050505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31983745600 + 18521304649 = 178840^2 + 136093^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50505050249 is a prime.

It is not a weakly prime, because it can be changed into another prime (50505050269) 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, 25252525124 + 25252525125.

It is an arithmetic number, because the mean of its divisors is an integer number (25252525125).

Almost surely, 2^50505050249 is an apocalyptic number.

It is an amenable number.

50505050249 is a deficient number, since it is larger than the sum of its proper divisors (1).

50505050249 is an equidigital number, since it uses as much as digits as its factorization.

50505050249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 50505050249 in words is "fifty billion, five hundred five million, fifty thousand, two hundred forty-nine".