13266918859 has 2 divisors, whose sum is σ = 13266918860. Its totient is φ = 13266918858.

The previous prime is 13266918809. The next prime is 13266918883. The reversal of 13266918859 is 95881966231.

It is a strong prime.

It is an emirp because it is prime and its reverse (95881966231) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13266918859 is a prime.

It is a super-2 number, since 2×13266918859² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13266918809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6633459429 + 6633459430.

It is an arithmetic number, because the mean of its divisors is an integer number (6633459430).

Almost surely, 2^13266918859 is an apocalyptic number.

13266918859 is a deficient number, since it is larger than the sum of its proper divisors (1).

13266918859 is an equidigital number, since it uses as much as digits as its factorization.

13266918859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5598720, while the sum is 58.

The spelling of 13266918859 in words is "thirteen billion, two hundred sixty-six million, nine hundred eighteen thousand, eight hundred fifty-nine".