13321717679 has 2 divisors, whose sum is σ = 13321717680. Its totient is φ = 13321717678.

The previous prime is 13321717583. The next prime is 13321717693. The reversal of 13321717679 is 97671712331.

13321717679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13321717679 - 2¹² = 13321713583 is a prime.

It is a super-2 number, since 2×13321717679² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13321717379) 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, 6660858839 + 6660858840.

It is an arithmetic number, because the mean of its divisors is an integer number (6660858840).

Almost surely, 2^13321717679 is an apocalyptic number.

13321717679 is a deficient number, since it is larger than the sum of its proper divisors (1).

13321717679 is an equidigital number, since it uses as much as digits as its factorization.

13321717679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 333396, while the sum is 47.

The spelling of 13321717679 in words is "thirteen billion, three hundred twenty-one million, seven hundred seventeen thousand, six hundred seventy-nine".