1228113683893 has 2 divisors, whose sum is σ = 1228113683894. Its totient is φ = 1228113683892.

The previous prime is 1228113683887. The next prime is 1228113683917. The reversal of 1228113683893 is 3983863118221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1029774389284 + 198339294609 = 1014778^2 + 445353^2 .

It is a cyclic number.

It is not a de Polignac number, because 1228113683893 - 2²⁵ = 1228080129461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1228113683803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614056841946 + 614056841947.

It is an arithmetic number, because the mean of its divisors is an integer number (614056841947).

Almost surely, 2^{1228113683893} is an apocalyptic number.

It is an amenable number.

1228113683893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1228113683893 is an equidigital number, since it uses as much as digits as its factorization.

1228113683893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2985984, while the sum is 55.

The spelling of 1228113683893 in words is "one trillion, two hundred twenty-eight billion, one hundred thirteen million, six hundred eighty-three thousand, eight hundred ninety-three".