12368635429 has 2 divisors, whose sum is σ = 12368635430. Its totient is φ = 12368635428.

The previous prime is 12368635427. The next prime is 12368635511. The reversal of 12368635429 is 92453686321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6308012929 + 6060622500 = 79423^2 + 77850^2 .

It is a cyclic number.

It is not a de Polignac number, because 12368635429 - 2¹ = 12368635427 is a prime.

Together with 12368635427, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12368635421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6184317714 + 6184317715.

It is an arithmetic number, because the mean of its divisors is an integer number (6184317715).

Almost surely, 2^12368635429 is an apocalyptic number.

It is an amenable number.

12368635429 is a deficient number, since it is larger than the sum of its proper divisors (1).

12368635429 is an equidigital number, since it uses as much as digits as its factorization.

12368635429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1866240, while the sum is 49.

The spelling of 12368635429 in words is "twelve billion, three hundred sixty-eight million, six hundred thirty-five thousand, four hundred twenty-nine".