12743669744 has 80 divisors (see below), whose sum is σ = 28303188480. Its totient is φ = 5506437120.

The previous prime is 12743669713. The next prime is 12743669773. The reversal of 12743669744 is 44796634721.

It is a happy number.

It is a super-2 number, since 2×12743669744² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 665942 + ... + 684810.

It is an arithmetic number, because the mean of its divisors is an integer number (353789856).

Almost surely, 2^12743669744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12743669744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14151594240).

12743669744 is an abundant number, since it is smaller than the sum of its proper divisors (15559518736).

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

12743669744 is a wasteful number, since it uses less digits than its factorization.

12743669744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19098 (or 19092 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 53.

The spelling of 12743669744 in words is "twelve billion, seven hundred forty-three million, six hundred sixty-nine thousand, seven hundred forty-four".