13368655387 has 2 divisors, whose sum is σ = 13368655388. Its totient is φ = 13368655386.

The previous prime is 13368655369. The next prime is 13368655429. The reversal of 13368655387 is 78355686331.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13368655387 is a prime.

It is not a weakly prime, because it can be changed into another prime (13368655337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6684327693 + 6684327694.

It is an arithmetic number, because the mean of its divisors is an integer number (6684327694).

Almost surely, 2^13368655387 is an apocalyptic number.

13368655387 is a deficient number, since it is larger than the sum of its proper divisors (1).

13368655387 is an equidigital number, since it uses as much as digits as its factorization.

13368655387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10886400, while the sum is 55.

The spelling of 13368655387 in words is "thirteen billion, three hundred sixty-eight million, six hundred fifty-five thousand, three hundred eighty-seven".