12845514443 has 2 divisors, whose sum is σ = 12845514444. Its totient is φ = 12845514442.

The previous prime is 12845514439. The next prime is 12845514463. The reversal of 12845514443 is 34441554821.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12845514443 - 2² = 12845514439 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12845514443.

It is not a weakly prime, because it can be changed into another prime (12845514463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6422757221 + 6422757222.

It is an arithmetic number, because the mean of its divisors is an integer number (6422757222).

Almost surely, 2^12845514443 is an apocalyptic number.

12845514443 is a deficient number, since it is larger than the sum of its proper divisors (1).

12845514443 is an equidigital number, since it uses as much as digits as its factorization.

12845514443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 307200, while the sum is 41.

The spelling of 12845514443 in words is "twelve billion, eight hundred forty-five million, five hundred fourteen thousand, four hundred forty-three".