27310868969 has 2 divisors, whose sum is σ = 27310868970. Its totient is φ = 27310868968.

The previous prime is 27310868947. The next prime is 27310868971. The reversal of 27310868969 is 96986801372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27310867600 + 1369 = 165260^2 + 37^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27310868969 is a prime.

It is a super-2 number, since 2×27310868969² (a number of 22 digits) contains 22 as substring.

Together with 27310868971, 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 (27310868939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13655434484 + 13655434485.

It is an arithmetic number, because the mean of its divisors is an integer number (13655434485).

Almost surely, 2^27310868969 is an apocalyptic number.

It is an amenable number.

27310868969 is a deficient number, since it is larger than the sum of its proper divisors (1).

27310868969 is an equidigital number, since it uses as much as digits as its factorization.

27310868969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7838208, while the sum is 59.

The spelling of 27310868969 in words is "twenty-seven billion, three hundred ten million, eight hundred sixty-eight thousand, nine hundred sixty-nine".