69340340009 has 2 divisors, whose sum is σ = 69340340010. Its totient is φ = 69340340008.

The previous prime is 69340339969. The next prime is 69340340011. The reversal of 69340340009 is 90004304396.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52545475984 + 16794864025 = 229228^2 + 129595^2 .

It is a cyclic number.

It is not a de Polignac number, because 69340340009 - 2¹⁶ = 69340274473 is a prime.

It is a super-2 number, since 2×69340340009² (a number of 22 digits) contains 22 as substring.

Together with 69340340011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (69340340309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34670170004 + 34670170005.

It is an arithmetic number, because the mean of its divisors is an integer number (34670170005).

Almost surely, 2^69340340009 is an apocalyptic number.

It is an amenable number.

69340340009 is a deficient number, since it is larger than the sum of its proper divisors (1).

69340340009 is an equidigital number, since it uses as much as digits as its factorization.

69340340009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 38.

The spelling of 69340340009 in words is "sixty-nine billion, three hundred forty million, three hundred forty thousand, nine".