68182969 has 2 divisors, whose sum is σ = 68182970. Its totient is φ = 68182968.

The previous prime is 68182967. The next prime is 68182999. The reversal of 68182969 is 96928186.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61027344 + 7155625 = 7812^2 + 2675^2 .

It is a cyclic number.

It is not a de Polignac number, because 68182969 - 2¹ = 68182967 is a prime.

It is a super-2 number, since 2×68182969² = 9297834523309922, which contains 22 as substring.

Together with 68182967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (68182967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34091484 + 34091485.

It is an arithmetic number, because the mean of its divisors is an integer number (34091485).

Almost surely, 2^68182969 is an apocalyptic number.

It is an amenable number.

68182969 is a deficient number, since it is larger than the sum of its proper divisors (1).

68182969 is an equidigital number, since it uses as much as digits as its factorization.

68182969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 49.

The square root of 68182969 is about 8257.2979236552. The cubic root of 68182969 is about 408.5312687835.

The spelling of 68182969 in words is "sixty-eight million, one hundred eighty-two thousand, nine hundred sixty-nine".