13557645333299 has 2 divisors, whose sum is σ = 13557645333300. Its totient is φ = 13557645333298.

The previous prime is 13557645333161. The next prime is 13557645333301. The reversal of 13557645333299 is 99233354675531.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13557645333299 - 2²⁴ = 13557628556083 is a prime.

Together with 13557645333301, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13557645333499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6778822666649 + 6778822666650.

It is an arithmetic number, because the mean of its divisors is an integer number (6778822666650).

Almost surely, 2^{13557645333299} is an apocalyptic number.

13557645333299 is a deficient number, since it is larger than the sum of its proper divisors (1).

13557645333299 is an equidigital number, since it uses as much as digits as its factorization.

13557645333299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 275562000, while the sum is 65.

The spelling of 13557645333299 in words is "thirteen trillion, five hundred fifty-seven billion, six hundred forty-five million, three hundred thirty-three thousand, two hundred ninety-nine".