10668585038389 has 2 divisors, whose sum is σ = 10668585038390. Its totient is φ = 10668585038388.

The previous prime is 10668585038383. The next prime is 10668585038497. The reversal of 10668585038389 is 98383058586601.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10601080164900 + 67504873489 = 3255930^2 + 259817^2 .

It is an emirp because it is prime and its reverse (98383058586601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10668585038389 - 2¹¹ = 10668585036341 is a prime.

It is a super-2 number, since 2×10668585038389² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10668585038383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5334292519194 + 5334292519195.

It is an arithmetic number, because the mean of its divisors is an integer number (5334292519195).

Almost surely, 2^{10668585038389} is an apocalyptic number.

It is an amenable number.

10668585038389 is a deficient number, since it is larger than the sum of its proper divisors (1).

10668585038389 is an equidigital number, since it uses as much as digits as its factorization.

10668585038389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 298598400, while the sum is 70.

The spelling of 10668585038389 in words is "ten trillion, six hundred sixty-eight billion, five hundred eighty-five million, thirty-eight thousand, three hundred eighty-nine".