69699066290669 has 2 divisors, whose sum is σ = 69699066290670. Its totient is φ = 69699066290668.

The previous prime is 69699066290663. The next prime is 69699066290671. The reversal of 69699066290669 is 96609266099696.

69699066290669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57628792197769 + 12070274092900 = 7591363^2 + 3474230^2 .

It is a cyclic number.

It is not a de Polignac number, because 69699066290669 - 2³⁶ = 69630346813933 is a prime.

It is a super-2 number, since 2×69699066290669² (a number of 28 digits) contains 22 as substring.

Together with 69699066290671, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69699066290663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34849533145334 + 34849533145335.

It is an arithmetic number, because the mean of its divisors is an integer number (34849533145335).

Almost surely, 2^{69699066290669} is an apocalyptic number.

It is an amenable number.

69699066290669 is a deficient number, since it is larger than the sum of its proper divisors (1).

69699066290669 is an equidigital number, since it uses as much as digits as its factorization.

69699066290669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5509980288, while the sum is 83.

The spelling of 69699066290669 in words is "sixty-nine trillion, six hundred ninety-nine billion, sixty-six million, two hundred ninety thousand, six hundred sixty-nine".