1388354789219 has 2 divisors, whose sum is σ = 1388354789220. Its totient is φ = 1388354789218.

The previous prime is 1388354789203. The next prime is 1388354789221. The reversal of 1388354789219 is 9129874538831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1388354789219 - 2⁴ = 1388354789203 is a prime.

It is a super-2 number, since 2×1388354789219² (a number of 25 digits) contains 22 as substring.

Together with 1388354789221, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1388354789279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 694177394609 + 694177394610.

It is an arithmetic number, because the mean of its divisors is an integer number (694177394610).

Almost surely, 2^{1388354789219} is an apocalyptic number.

1388354789219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1388354789219 is an equidigital number, since it uses as much as digits as its factorization.

1388354789219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104509440, while the sum is 68.

The spelling of 1388354789219 in words is "one trillion, three hundred eighty-eight billion, three hundred fifty-four million, seven hundred eighty-nine thousand, two hundred nineteen".