68419259 has 2 divisors, whose sum is σ = 68419260. Its totient is φ = 68419258.

The previous prime is 68419249. The next prime is 68419279. The reversal of 68419259 is 95291486.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68419259 - 2⁴ = 68419243 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68419229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34209629 + 34209630.

It is an arithmetic number, because the mean of its divisors is an integer number (34209630).

Almost surely, 2^68419259 is an apocalyptic number.

68419259 is a deficient number, since it is larger than the sum of its proper divisors (1).

68419259 is an equidigital number, since it uses as much as digits as its factorization.

68419259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 44.

The square root of 68419259 is about 8271.5934982324. The cubic root of 68419259 is about 409.0026502141.

The spelling of 68419259 in words is "sixty-eight million, four hundred nineteen thousand, two hundred fifty-nine".