12395493446 has 24 divisors (see below), whose sum is σ = 21724191576. Its totient is φ = 5288942400.

The previous prime is 12395493443. The next prime is 12395493479. The reversal of 12395493446 is 64439459321.

It is a junction number, because it is equal to n+sod(n) for n = 12395493394 and 12395493403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12395493443) 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, 256355 + ... + 300846.

It is an arithmetic number, because the mean of its divisors is an integer number (905174649).

Almost surely, 2^12395493446 is an apocalyptic number.

12395493446 is a deficient number, since it is larger than the sum of its proper divisors (9328698130).

12395493446 is a wasteful number, since it uses less digits than its factorization.

12395493446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557444 (or 557437 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 50.

The spelling of 12395493446 in words is "twelve billion, three hundred ninety-five million, four hundred ninety-three thousand, four hundred forty-six".