1228411255349 has 2 divisors, whose sum is σ = 1228411255350. Its totient is φ = 1228411255348.

The previous prime is 1228411255343. The next prime is 1228411255429. The reversal of 1228411255349 is 9435521148221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 949685332324 + 278725923025 = 974518^2 + 527945^2 .

It is a cyclic number.

It is not a de Polignac number, because 1228411255349 - 2¹⁶ = 1228411189813 is a prime.

It is a super-2 number, since 2×1228411255349² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1228411255343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614205627674 + 614205627675.

It is an arithmetic number, because the mean of its divisors is an integer number (614205627675).

Almost surely, 2^{1228411255349} is an apocalyptic number.

It is an amenable number.

1228411255349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1228411255349 is an equidigital number, since it uses as much as digits as its factorization.

1228411255349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 691200, while the sum is 47.

The spelling of 1228411255349 in words is "one trillion, two hundred twenty-eight billion, four hundred eleven million, two hundred fifty-five thousand, three hundred forty-nine".