68049269 has 2 divisors, whose sum is σ = 68049270. Its totient is φ = 68049268.

The previous prime is 68049259. The next prime is 68049271. The reversal of 68049269 is 96294086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50951044 + 17098225 = 7138^2 + 4135^2 .

It is a cyclic number.

It is not a de Polignac number, because 68049269 - 2²⁰ = 67000693 is a prime.

It is a super-2 number, since 2×68049269² = 9261406022868722, which contains 22 as substring.

Together with 68049271, 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 (68049209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34024634 + 34024635.

It is an arithmetic number, because the mean of its divisors is an integer number (34024635).

Almost surely, 2^68049269 is an apocalyptic number.

It is an amenable number.

68049269 is a deficient number, since it is larger than the sum of its proper divisors (1).

68049269 is an equidigital number, since it uses as much as digits as its factorization.

68049269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 68049269 is about 8249.1980822381. The cubic root of 68049269 is about 408.2640643664.

The spelling of 68049269 in words is "sixty-eight million, forty-nine thousand, two hundred sixty-nine".