12431736593 has 2 divisors, whose sum is σ = 12431736594. Its totient is φ = 12431736592.

The previous prime is 12431736571. The next prime is 12431736677. The reversal of 12431736593 is 39563713421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8834496064 + 3597240529 = 93992^2 + 59977^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12431736593 is a prime.

It is not a weakly prime, because it can be changed into another prime (12431736563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6215868296 + 6215868297.

It is an arithmetic number, because the mean of its divisors is an integer number (6215868297).

Almost surely, 2^12431736593 is an apocalyptic number.

It is an amenable number.

12431736593 is a deficient number, since it is larger than the sum of its proper divisors (1).

12431736593 is an equidigital number, since it uses as much as digits as its factorization.

12431736593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 44.

The spelling of 12431736593 in words is "twelve billion, four hundred thirty-one million, seven hundred thirty-six thousand, five hundred ninety-three".