12845514427 has 2 divisors, whose sum is σ = 12845514428. Its totient is φ = 12845514426.

The previous prime is 12845514419. The next prime is 12845514439. The reversal of 12845514427 is 72441554821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12845514427 - 2³ = 12845514419 is a prime.

It is not a weakly prime, because it can be changed into another prime (12845514497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6422757213 + 6422757214.

It is an arithmetic number, because the mean of its divisors is an integer number (6422757214).

Almost surely, 2^12845514427 is an apocalyptic number.

12845514427 is a deficient number, since it is larger than the sum of its proper divisors (1).

12845514427 is an equidigital number, since it uses as much as digits as its factorization.

12845514427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 358400, while the sum is 43.

The spelling of 12845514427 in words is "twelve billion, eight hundred forty-five million, five hundred fourteen thousand, four hundred twenty-seven".