1227552050849 has 2 divisors, whose sum is σ = 1227552050850. Its totient is φ = 1227552050848.

The previous prime is 1227552050821. The next prime is 1227552050927. The reversal of 1227552050849 is 9480502557221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1214359920400 + 13192130449 = 1101980^2 + 114857^2 .

It is a cyclic number.

It is not a de Polignac number, because 1227552050849 - 2¹² = 1227552046753 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1227552050797 and 1227552050806.

It is not a weakly prime, because it can be changed into another prime (1227552052849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613776025424 + 613776025425.

It is an arithmetic number, because the mean of its divisors is an integer number (613776025425).

Almost surely, 2^{1227552050849} is an apocalyptic number.

It is an amenable number.

1227552050849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1227552050849 is an equidigital number, since it uses as much as digits as its factorization.

1227552050849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016000, while the sum is 50.

The spelling of 1227552050849 in words is "one trillion, two hundred twenty-seven billion, five hundred fifty-two million, fifty thousand, eight hundred forty-nine".