1388048255329 has 2 divisors, whose sum is σ = 1388048255330. Its totient is φ = 1388048255328.

The previous prime is 1388048255311. The next prime is 1388048255351. The reversal of 1388048255329 is 9235528408831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1245411360400 + 142636894929 = 1115980^2 + 377673^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1388048255329 is a prime.

It is not a weakly prime, because it can be changed into another prime (1388048255309) 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, 694024127664 + 694024127665.

It is an arithmetic number, because the mean of its divisors is an integer number (694024127665).

Almost surely, 2^{1388048255329} is an apocalyptic number.

It is an amenable number.

1388048255329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1388048255329 is an equidigital number, since it uses as much as digits as its factorization.

1388048255329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16588800, while the sum is 58.

The spelling of 1388048255329 in words is "one trillion, three hundred eighty-eight billion, forty-eight million, two hundred fifty-five thousand, three hundred twenty-nine".