13543087867 has 2 divisors, whose sum is σ = 13543087868. Its totient is φ = 13543087866.

The previous prime is 13543087793. The next prime is 13543087913. The reversal of 13543087867 is 76878034531.

It is a strong prime.

It is an emirp because it is prime and its reverse (76878034531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13543087867 - 2⁷ = 13543087739 is a prime.

It is not a weakly prime, because it can be changed into another prime (13543087267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6771543933 + 6771543934.

It is an arithmetic number, because the mean of its divisors is an integer number (6771543934).

Almost surely, 2^13543087867 is an apocalyptic number.

13543087867 is a deficient number, since it is larger than the sum of its proper divisors (1).

13543087867 is an equidigital number, since it uses as much as digits as its factorization.

13543087867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 13543087867 in words is "thirteen billion, five hundred forty-three million, eighty-seven thousand, eight hundred sixty-seven".