13466666387 has 2 divisors, whose sum is σ = 13466666388. Its totient is φ = 13466666386.

The previous prime is 13466666377. The next prime is 13466666401. The reversal of 13466666387 is 78366666431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13466666387 - 2¹⁰ = 13466665363 is a prime.

It is a super-2 number, since 2×13466666387² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13466666327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6733333193 + 6733333194.

It is an arithmetic number, because the mean of its divisors is an integer number (6733333194).

Almost surely, 2^13466666387 is an apocalyptic number.

13466666387 is a deficient number, since it is larger than the sum of its proper divisors (1).

13466666387 is an equidigital number, since it uses as much as digits as its factorization.

13466666387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15676416, while the sum is 56.

The spelling of 13466666387 in words is "thirteen billion, four hundred sixty-six million, six hundred sixty-six thousand, three hundred eighty-seven".