50122261349 has 2 divisors, whose sum is σ = 50122261350. Its totient is φ = 50122261348.

The previous prime is 50122261297. The next prime is 50122261363. The reversal of 50122261349 is 94316222105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31603950625 + 18518310724 = 177775^2 + 136082^2 .

It is a cyclic number.

It is not a de Polignac number, because 50122261349 - 2¹² = 50122257253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50122261369) 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, 25061130674 + 25061130675.

It is an arithmetic number, because the mean of its divisors is an integer number (25061130675).

Almost surely, 2^50122261349 is an apocalyptic number.

It is an amenable number.

50122261349 is a deficient number, since it is larger than the sum of its proper divisors (1).

50122261349 is an equidigital number, since it uses as much as digits as its factorization.

50122261349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 50122261349 in words is "fifty billion, one hundred twenty-two million, two hundred sixty-one thousand, three hundred forty-nine".