13543712899 has 2 divisors, whose sum is σ = 13543712900. Its totient is φ = 13543712898.

The previous prime is 13543712893. The next prime is 13543712929. The reversal of 13543712899 is 99821734531.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13543712899 is a prime.

It is not a weakly prime, because it can be changed into another prime (13543712893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6771856449 + 6771856450.

It is an arithmetic number, because the mean of its divisors is an integer number (6771856450).

Almost surely, 2^13543712899 is an apocalyptic number.

13543712899 is a deficient number, since it is larger than the sum of its proper divisors (1).

13543712899 is an equidigital number, since it uses as much as digits as its factorization.

13543712899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 52.

The spelling of 13543712899 in words is "thirteen billion, five hundred forty-three million, seven hundred twelve thousand, eight hundred ninety-nine".