13641601387 has 2 divisors, whose sum is σ = 13641601388. Its totient is φ = 13641601386.

The previous prime is 13641601343. The next prime is 13641601453. The reversal of 13641601387 is 78310614631.

13641601387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13641601387 is a prime.

It is not a weakly prime, because it can be changed into another prime (13641601327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6820800693 + 6820800694.

It is an arithmetic number, because the mean of its divisors is an integer number (6820800694).

Almost surely, 2^13641601387 is an apocalyptic number.

13641601387 is a deficient number, since it is larger than the sum of its proper divisors (1).

13641601387 is an equidigital number, since it uses as much as digits as its factorization.

13641601387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 13641601387 in words is "thirteen billion, six hundred forty-one million, six hundred one thousand, three hundred eighty-seven".