68034478417 has 2 divisors, whose sum is σ = 68034478418. Its totient is φ = 68034478416.

The previous prime is 68034478367. The next prime is 68034478481. The reversal of 68034478417 is 71487443086.

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., 68024985856 + 9492561 = 260816^2 + 3081^2 .

It is a cyclic number.

It is not a de Polignac number, because 68034478417 - 2⁷ = 68034478289 is a prime.

It is not a weakly prime, because it can be changed into another prime (68034478117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34017239208 + 34017239209.

It is an arithmetic number, because the mean of its divisors is an integer number (34017239209).

Almost surely, 2^68034478417 is an apocalyptic number.

It is an amenable number.

68034478417 is a deficient number, since it is larger than the sum of its proper divisors (1).

68034478417 is an equidigital number, since it uses as much as digits as its factorization.

68034478417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3612672, while the sum is 52.

The spelling of 68034478417 in words is "sixty-eight billion, thirty-four million, four hundred seventy-eight thousand, four hundred seventeen".