13686825156463 has 2 divisors, whose sum is σ = 13686825156464. Its totient is φ = 13686825156462.

The previous prime is 13686825156377. The next prime is 13686825156527. The reversal of 13686825156463 is 36465152868631.

It is a happy number.

It is an a-pointer prime, because the next prime (13686825156527) can be obtained adding 13686825156463 to its sum of digits (64).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13686825156463 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13686825156395 and 13686825156404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13686825106463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6843412578231 + 6843412578232.

It is an arithmetic number, because the mean of its divisors is an integer number (6843412578232).

Almost surely, 2^{13686825156463} is an apocalyptic number.

13686825156463 is a deficient number, since it is larger than the sum of its proper divisors (1).

13686825156463 is an equidigital number, since it uses as much as digits as its factorization.

13686825156463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 149299200, while the sum is 64.

The spelling of 13686825156463 in words is "thirteen trillion, six hundred eighty-six billion, eight hundred twenty-five million, one hundred fifty-six thousand, four hundred sixty-three".