12404413543 has 2 divisors, whose sum is σ = 12404413544. Its totient is φ = 12404413542.

The previous prime is 12404413517. The next prime is 12404413561. The reversal of 12404413543 is 34531440421.

It is a strong prime.

It is an emirp because it is prime and its reverse (34531440421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12404413543 - 2³³ = 3814478951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12404413583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6202206771 + 6202206772.

It is an arithmetic number, because the mean of its divisors is an integer number (6202206772).

Almost surely, 2^12404413543 is an apocalyptic number.

12404413543 is a deficient number, since it is larger than the sum of its proper divisors (1).

12404413543 is an equidigital number, since it uses as much as digits as its factorization.

12404413543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 12404413543 its reverse (34531440421), we get a palindrome (46935853964).

The spelling of 12404413543 in words is "twelve billion, four hundred four million, four hundred thirteen thousand, five hundred forty-three".