12894816343 has 2 divisors, whose sum is σ = 12894816344. Its totient is φ = 12894816342.

The previous prime is 12894816329. The next prime is 12894816359. The reversal of 12894816343 is 34361849821.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12894816343 - 2³³ = 4304881751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12894816383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6447408171 + 6447408172.

It is an arithmetic number, because the mean of its divisors is an integer number (6447408172).

Almost surely, 2^12894816343 is an apocalyptic number.

12894816343 is a deficient number, since it is larger than the sum of its proper divisors (1).

12894816343 is an equidigital number, since it uses as much as digits as its factorization.

12894816343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 995328, while the sum is 49.

The spelling of 12894816343 in words is "twelve billion, eight hundred ninety-four million, eight hundred sixteen thousand, three hundred forty-three".