12451424393 has 16 divisors (see below), whose sum is σ = 13380007680. Its totient is φ = 11545287936.

The previous prime is 12451424389. The next prime is 12451424407. The reversal of 12451424393 is 39342415421.

It is a cyclic number.

It is not a de Polignac number, because 12451424393 - 2² = 12451424389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12451424353) 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, 617255 + ... + 637107.

It is an arithmetic number, because the mean of its divisors is an integer number (836250480).

Almost surely, 2^12451424393 is an apocalyptic number.

It is an amenable number.

12451424393 is a deficient number, since it is larger than the sum of its proper divisors (928583287).

12451424393 is a wasteful number, since it uses less digits than its factorization.

12451424393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20416.

The product of its digits is 103680, while the sum is 38.

The spelling of 12451424393 in words is "twelve billion, four hundred fifty-one million, four hundred twenty-four thousand, three hundred ninety-three".