13508234543 has 2 divisors, whose sum is σ = 13508234544. Its totient is φ = 13508234542.

The previous prime is 13508234491. The next prime is 13508234567. The reversal of 13508234543 is 34543280531.

It is a strong prime.

It is an emirp because it is prime and its reverse (34543280531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13508234543 - 2⁸ = 13508234287 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13508234497 and 13508234506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13508234573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6754117271 + 6754117272.

It is an arithmetic number, because the mean of its divisors is an integer number (6754117272).

Almost surely, 2^13508234543 is an apocalyptic number.

13508234543 is a deficient number, since it is larger than the sum of its proper divisors (1).

13508234543 is an equidigital number, since it uses as much as digits as its factorization.

13508234543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 13508234543 in words is "thirteen billion, five hundred eight million, two hundred thirty-four thousand, five hundred forty-three".