12395349431 has 2 divisors, whose sum is σ = 12395349432. Its totient is φ = 12395349430.

The previous prime is 12395349367. The next prime is 12395349437. The reversal of 12395349431 is 13494359321.

12395349431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12395349431 - 2⁶ = 12395349367 is a prime.

It is a super-2 number, since 2×12395349431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12395349437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6197674715 + 6197674716.

It is an arithmetic number, because the mean of its divisors is an integer number (6197674716).

Almost surely, 2^12395349431 is an apocalyptic number.

12395349431 is a deficient number, since it is larger than the sum of its proper divisors (1).

12395349431 is an equidigital number, since it uses as much as digits as its factorization.

12395349431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 44.

The spelling of 12395349431 in words is "twelve billion, three hundred ninety-five million, three hundred forty-nine thousand, four hundred thirty-one".