12425644938 has 16 divisors (see below), whose sum is σ = 28401474240. Its totient is φ = 3550184256.

The previous prime is 12425644927. The next prime is 12425644939. The reversal of 12425644938 is 83944652421.

It is not an unprimeable number, because it can be changed into a prime (12425644939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147924303 + ... + 147924386.

It is an arithmetic number, because the mean of its divisors is an integer number (1775092140).

Almost surely, 2^12425644938 is an apocalyptic number.

12425644938 is an abundant number, since it is smaller than the sum of its proper divisors (15975829302).

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

12425644938 is a wasteful number, since it uses less digits than its factorization.

12425644938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295848701.

The product of its digits is 1658880, while the sum is 48.

The spelling of 12425644938 in words is "twelve billion, four hundred twenty-five million, six hundred forty-four thousand, nine hundred thirty-eight".