1208340716069 has 2 divisors, whose sum is σ = 1208340716070. Its totient is φ = 1208340716068.

The previous prime is 1208340715997. The next prime is 1208340716083. The reversal of 1208340716069 is 9606170438021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 949529415844 + 258811300225 = 974438^2 + 508735^2 .

It is an emirp because it is prime and its reverse (9606170438021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1208340716069 - 2³⁶ = 1139621239333 is a prime.

It is a super-2 number, since 2×1208340716069² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1208340716269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 604170358034 + 604170358035.

It is an arithmetic number, because the mean of its divisors is an integer number (604170358035).

Almost surely, 2^{1208340716069} is an apocalyptic number.

It is an amenable number.

1208340716069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1208340716069 is an equidigital number, since it uses as much as digits as its factorization.

1208340716069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 1208340716069 in words is "one trillion, two hundred eight billion, three hundred forty million, seven hundred sixteen thousand, sixty-nine".