13864138429 has 2 divisors, whose sum is σ = 13864138430. Its totient is φ = 13864138428.

The previous prime is 13864138289. The next prime is 13864138439. The reversal of 13864138429 is 92483146831.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13836816900 + 27321529 = 117630^2 + 5227^2 .

It is a cyclic number.

It is not a de Polignac number, because 13864138429 - 2¹¹ = 13864136381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13864138439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6932069214 + 6932069215.

It is an arithmetic number, because the mean of its divisors is an integer number (6932069215).

Almost surely, 2^13864138429 is an apocalyptic number.

It is an amenable number.

13864138429 is a deficient number, since it is larger than the sum of its proper divisors (1).

13864138429 is an equidigital number, since it uses as much as digits as its factorization.

13864138429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995328, while the sum is 49.

The spelling of 13864138429 in words is "thirteen billion, eight hundred sixty-four million, one hundred thirty-eight thousand, four hundred twenty-nine".