13396666769 has 2 divisors, whose sum is σ = 13396666770. Its totient is φ = 13396666768.

The previous prime is 13396666763. The next prime is 13396666831. The reversal of 13396666769 is 96766669331.

It is an a-pointer prime, because the next prime (13396666831) can be obtained adding 13396666769 to its sum of digits (62).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13084614544 + 312052225 = 114388^2 + 17665^2 .

It is a cyclic number.

It is not a de Polignac number, because 13396666769 - 2⁴ = 13396666753 is a prime.

It is a super-2 number, since 2×13396666769² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13396666763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6698333384 + 6698333385.

It is an arithmetic number, because the mean of its divisors is an integer number (6698333385).

Almost surely, 2^13396666769 is an apocalyptic number.

It is an amenable number.

13396666769 is a deficient number, since it is larger than the sum of its proper divisors (1).

13396666769 is an equidigital number, since it uses as much as digits as its factorization.

13396666769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39680928, while the sum is 62.

The spelling of 13396666769 in words is "thirteen billion, three hundred ninety-six million, six hundred sixty-six thousand, seven hundred sixty-nine".