12744442623 has 16 divisors (see below), whose sum is σ = 19343344896. Its totient is φ = 7388082240.

The previous prime is 12744442589. The next prime is 12744442637. The reversal of 12744442623 is 32624444721.

It is not a de Polignac number, because 12744442623 - 2⁹ = 12744442111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12744442663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8394790 + ... + 8396307.

It is an arithmetic number, because the mean of its divisors is an integer number (1208959056).

Almost surely, 2^12744442623 is an apocalyptic number.

12744442623 is a deficient number, since it is larger than the sum of its proper divisors (6598902273).

12744442623 is a wasteful number, since it uses less digits than its factorization.

12744442623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16791134.

The product of its digits is 258048, while the sum is 39.

The spelling of 12744442623 in words is "twelve billion, seven hundred forty-four million, four hundred forty-two thousand, six hundred twenty-three".