12741554844 has 18 divisors (see below), whose sum is σ = 32207819280. Its totient is φ = 4247184936.

The previous prime is 12741554843. The next prime is 12741554857. The reversal of 12741554844 is 44845514721.

12741554844 is a `hidden beast` number, since 1 + 27 + 41 + 5 + 548 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 12741554844.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12741554843) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 176966004 + ... + 176966075.

Almost surely, 2^12741554844 is an apocalyptic number.

It is an amenable number.

12741554844 is an abundant number, since it is smaller than the sum of its proper divisors (19466264436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12741554844 is a wasteful number, since it uses less digits than its factorization.

12741554844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353932089 (or 353932084 counting only the distinct ones).

The product of its digits is 716800, while the sum is 45.

The spelling of 12741554844 in words is "twelve billion, seven hundred forty-one million, five hundred fifty-four thousand, eight hundred forty-four".