6894768017 has 2 divisors, whose sum is σ = 6894768018. Its totient is φ = 6894768016.

The previous prime is 6894768011. The next prime is 6894768031. The reversal of 6894768017 is 7108674986.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4771493776 + 2123274241 = 69076^2 + 46079^2 .

It is a cyclic number.

It is not a de Polignac number, because 6894768017 - 2²² = 6890573713 is a prime.

It is a super-2 number, since 2×6894768017² = 95075652016492224578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6894768011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3447384008 + 3447384009.

It is an arithmetic number, because the mean of its divisors is an integer number (3447384009).

Almost surely, 2^6894768017 is an apocalyptic number.

It is an amenable number.

6894768017 is a deficient number, since it is larger than the sum of its proper divisors (1).

6894768017 is an equidigital number, since it uses as much as digits as its factorization.

6894768017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4064256, while the sum is 56.

The square root of 6894768017 is about 83034.7398201500. The cubic root of 6894768017 is about 1903.2969550011.

The spelling of 6894768017 in words is "six billion, eight hundred ninety-four million, seven hundred sixty-eight thousand, seventeen".