13187648324999 has 2 divisors, whose sum is σ = 13187648325000. Its totient is φ = 13187648324998.

The previous prime is 13187648324959. The next prime is 13187648325001. The reversal of 13187648324999 is 99942384678131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13187648324999 is a prime.

Together with 13187648325001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13187648324959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6593824162499 + 6593824162500.

It is an arithmetic number, because the mean of its divisors is an integer number (6593824162500).

Almost surely, 2^{13187648324999} is an apocalyptic number.

13187648324999 is a deficient number, since it is larger than the sum of its proper divisors (1).

13187648324999 is an equidigital number, since it uses as much as digits as its factorization.

13187648324999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564350976, while the sum is 74.

The spelling of 13187648324999 in words is "thirteen trillion, one hundred eighty-seven billion, six hundred forty-eight million, three hundred twenty-four thousand, nine hundred ninety-nine".