12845294563 has 4 divisors (see below), whose sum is σ = 13063011480. Its totient is φ = 12627577648.

The previous prime is 12845294557. The next prime is 12845294569. The reversal of 12845294563 is 36549254821.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12845294557) and next prime (12845294569).

It is a cyclic number.

It is not a de Polignac number, because 12845294563 - 2⁵ = 12845294531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12845294569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108858370 + ... + 108858487.

It is an arithmetic number, because the mean of its divisors is an integer number (3265752870).

Almost surely, 2^12845294563 is an apocalyptic number.

12845294563 is a deficient number, since it is larger than the sum of its proper divisors (217716917).

12845294563 is an equidigital number, since it uses as much as digits as its factorization.

12845294563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217716916.

The product of its digits is 2073600, while the sum is 49.

The spelling of 12845294563 in words is "twelve billion, eight hundred forty-five million, two hundred ninety-four thousand, five hundred sixty-three".