13220364648899 has 2 divisors, whose sum is σ = 13220364648900. Its totient is φ = 13220364648898.

The previous prime is 13220364648809. The next prime is 13220364648923. The reversal of 13220364648899 is 99884646302231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13220364648899 - 2¹² = 13220364644803 is a prime.

It is not a weakly prime, because it can be changed into another prime (13220364648809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610182324449 + 6610182324450.

It is an arithmetic number, because the mean of its divisors is an integer number (6610182324450).

Almost surely, 2^{13220364648899} is an apocalyptic number.

13220364648899 is a deficient number, since it is larger than the sum of its proper divisors (1).

13220364648899 is an equidigital number, since it uses as much as digits as its factorization.

13220364648899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107495424, while the sum is 65.

The spelling of 13220364648899 in words is "thirteen trillion, two hundred twenty billion, three hundred sixty-four million, six hundred forty-eight thousand, eight hundred ninety-nine".