12425644892 has 6 divisors (see below), whose sum is σ = 21744878568. Its totient is φ = 6212822444.

The previous prime is 12425644859. The next prime is 12425644919. The reversal of 12425644892 is 29844652421.

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, 1553205608 + ... + 1553205615.

It is an arithmetic number, because the mean of its divisors is an integer number (3624146428).

Almost surely, 2^12425644892 is an apocalyptic number.

It is an amenable number.

12425644892 is a deficient number, since it is larger than the sum of its proper divisors (9319233676).

12425644892 is a wasteful number, since it uses less digits than its factorization.

12425644892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106411227 (or 3106411225 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 47.

The spelling of 12425644892 in words is "twelve billion, four hundred twenty-five million, six hundred forty-four thousand, eight hundred ninety-two".