12853780543 has 2 divisors, whose sum is σ = 12853780544. Its totient is φ = 12853780542.

The previous prime is 12853780469. The next prime is 12853780559. The reversal of 12853780543 is 34508735821.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12853780543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12853780493 and 12853780502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12853780843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6426890271 + 6426890272.

It is an arithmetic number, because the mean of its divisors is an integer number (6426890272).

Almost surely, 2^12853780543 is an apocalyptic number.

12853780543 is a deficient number, since it is larger than the sum of its proper divisors (1).

12853780543 is an equidigital number, since it uses as much as digits as its factorization.

12853780543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 12853780543 in words is "twelve billion, eight hundred fifty-three million, seven hundred eighty thousand, five hundred forty-three".