1227858563713 has 2 divisors, whose sum is σ = 1227858563714. Its totient is φ = 1227858563712.

The previous prime is 1227858563647. The next prime is 1227858563747. The reversal of 1227858563713 is 3173658587221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1100300298304 + 127558265409 = 1048952^2 + 357153^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1227858563713 is a prime.

It is not a weakly prime, because it can be changed into another prime (1227858563213) 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, 613929281856 + 613929281857.

It is an arithmetic number, because the mean of its divisors is an integer number (613929281857).

Almost surely, 2^{1227858563713} is an apocalyptic number.

It is an amenable number.

1227858563713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1227858563713 is an equidigital number, since it uses as much as digits as its factorization.

1227858563713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16934400, while the sum is 58.

The spelling of 1227858563713 in words is "one trillion, two hundred twenty-seven billion, eight hundred fifty-eight million, five hundred sixty-three thousand, seven hundred thirteen".