1388850456353 has 2 divisors, whose sum is σ = 1388850456354. Its totient is φ = 1388850456352.

The previous prime is 1388850456347. The next prime is 1388850456443. The reversal of 1388850456353 is 3536540588831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1073975723584 + 314874732769 = 1036328^2 + 561137^2 .

It is a cyclic number.

It is not a de Polignac number, because 1388850456353 - 2¹⁶ = 1388850390817 is a prime.

It is a super-2 number, since 2×1388850456353² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1388850456292 and 1388850456301.

It is not a weakly prime, because it can be changed into another prime (1388850476353) 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, 694425228176 + 694425228177.

It is an arithmetic number, because the mean of its divisors is an integer number (694425228177).

Almost surely, 2^{1388850456353} is an apocalyptic number.

It is an amenable number.

1388850456353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1388850456353 is an equidigital number, since it uses as much as digits as its factorization.

1388850456353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472000, while the sum is 59.

The spelling of 1388850456353 in words is "one trillion, three hundred eighty-eight billion, eight hundred fifty million, four hundred fifty-six thousand, three hundred fifty-three".