12844168454 has 24 divisors (see below), whose sum is σ = 21897776880. Its totient is φ = 5616069552.

The previous prime is 12844168427. The next prime is 12844168459. The reversal of 12844168454 is 45486144821.

It is a junction number, because it is equal to n+sod(n) for n = 12844168399 and 12844168408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12844168459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 674834 + ... + 693605.

It is an arithmetic number, because the mean of its divisors is an integer number (912407370).

Almost surely, 2^12844168454 is an apocalyptic number.

12844168454 is a deficient number, since it is larger than the sum of its proper divisors (9053608426).

12844168454 is a wasteful number, since it uses less digits than its factorization.

12844168454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368492 (or 1368473 counting only the distinct ones).

The product of its digits is 983040, while the sum is 47.

The spelling of 12844168454 in words is "twelve billion, eight hundred forty-four million, one hundred sixty-eight thousand, four hundred fifty-four".