12443039719 has 12 divisors (see below), whose sum is σ = 13679957592. Its totient is φ = 11309458160.

The previous prime is 12443039701. The next prime is 12443039743. The reversal of 12443039719 is 91793034421.

It is not a de Polignac number, because 12443039719 - 2⁷ = 12443039591 is a prime.

It is a super-2 number, since 2×12443039719² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12443039419) 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, 829524 + ... + 844390.

It is an arithmetic number, because the mean of its divisors is an integer number (1139996466).

Almost surely, 2^12443039719 is an apocalyptic number.

12443039719 is a deficient number, since it is larger than the sum of its proper divisors (1236917873).

12443039719 is a wasteful number, since it uses less digits than its factorization.

12443039719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21806 (or 21795 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 12443039719 in words is "twelve billion, four hundred forty-three million, thirty-nine thousand, seven hundred nineteen".