50122261297 has 2 divisors, whose sum is σ = 50122261298. Its totient is φ = 50122261296.

The previous prime is 50122261291. The next prime is 50122261349. The reversal of 50122261297 is 79216222105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46349353521 + 3772907776 = 215289^2 + 61424^2 .

It is a cyclic number.

It is not a de Polignac number, because 50122261297 - 2³ = 50122261289 is a prime.

It is not a weakly prime, because it can be changed into another prime (50122261291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25061130648 + 25061130649.

It is an arithmetic number, because the mean of its divisors is an integer number (25061130649).

Almost surely, 2^50122261297 is an apocalyptic number.

It is an amenable number.

50122261297 is a deficient number, since it is larger than the sum of its proper divisors (1).

50122261297 is an equidigital number, since it uses as much as digits as its factorization.

50122261297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 50122261297 in words is "fifty billion, one hundred twenty-two million, two hundred sixty-one thousand, two hundred ninety-seven".