12393938044 has 6 divisors (see below), whose sum is σ = 21689391584. Its totient is φ = 6196969020.

The previous prime is 12393937999. The next prime is 12393938057. The reversal of 12393938044 is 44083939321.

It is a junction number, because it is equal to n+sod(n) for n = 12393937985 and 12393938003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1549242252 + ... + 1549242259.

Almost surely, 2^12393938044 is an apocalyptic number.

It is an amenable number.

12393938044 is a deficient number, since it is larger than the sum of its proper divisors (9295453540).

12393938044 is a wasteful number, since it uses less digits than its factorization.

12393938044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3098484515 (or 3098484513 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 46.

The spelling of 12393938044 in words is "twelve billion, three hundred ninety-three million, nine hundred thirty-eight thousand, forty-four".