2068797217 has 2 divisors, whose sum is σ = 2068797218. Its totient is φ = 2068797216.

The previous prime is 2068797193. The next prime is 2068797233. The reversal of 2068797217 is 7127978602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1873244961 + 195552256 = 43281^2 + 13984^2 .

It is a cyclic number.

It is not a de Polignac number, because 2068797217 - 2¹⁵ = 2068764449 is a prime.

It is not a weakly prime, because it can be changed into another prime (2068797277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034398608 + 1034398609.

It is an arithmetic number, because the mean of its divisors is an integer number (1034398609).

Almost surely, 2^2068797217 is an apocalyptic number.

It is an amenable number.

2068797217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2068797217 is an equidigital number, since it uses as much as digits as its factorization.

2068797217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 592704, while the sum is 49.

The square root of 2068797217 is about 45484.0325498960. The cubic root of 2068797217 is about 1274.2050083419.

The spelling of 2068797217 in words is "two billion, sixty-eight million, seven hundred ninety-seven thousand, two hundred seventeen".