12431332454389 has 2 divisors, whose sum is σ = 12431332454390. Its totient is φ = 12431332454388.

The previous prime is 12431332454339. The next prime is 12431332454467. The reversal of 12431332454389 is 98345423313421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9041988860100 + 3389343594289 = 3006990^2 + 1841017^2 .

It is a cyclic number.

It is not a de Polignac number, because 12431332454389 - 2³³ = 12422742519797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12431332454339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6215666227194 + 6215666227195.

It is an arithmetic number, because the mean of its divisors is an integer number (6215666227195).

Almost surely, 2^{12431332454389} is an apocalyptic number.

It is an amenable number.

12431332454389 is a deficient number, since it is larger than the sum of its proper divisors (1).

12431332454389 is an equidigital number, since it uses as much as digits as its factorization.

12431332454389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7464960, while the sum is 52.

The spelling of 12431332454389 in words is "twelve trillion, four hundred thirty-one billion, three hundred thirty-two million, four hundred fifty-four thousand, three hundred eighty-nine".