9420685717 has 2 divisors, whose sum is σ = 9420685718. Its totient is φ = 9420685716.

The previous prime is 9420685693. The next prime is 9420685741. The reversal of 9420685717 is 7175860249.

It is a balanced prime because it is at equal distance from previous prime (9420685693) and next prime (9420685741).

It can be written as a sum of positive squares in only one way, i.e., 7466515281 + 1954170436 = 86409^2 + 44206^2 .

It is a cyclic number.

It is not a de Polignac number, because 9420685717 - 2¹⁵ = 9420652949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9420685777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4710342858 + 4710342859.

It is an arithmetic number, because the mean of its divisors is an integer number (4710342859).

Almost surely, 2^9420685717 is an apocalyptic number.

It is an amenable number.

9420685717 is a deficient number, since it is larger than the sum of its proper divisors (1).

9420685717 is an equidigital number, since it uses as much as digits as its factorization.

9420685717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 49.

The square root of 9420685717 is about 97060.2169634913. The cubic root of 9420685717 is about 2112.0012546295.

The spelling of 9420685717 in words is "nine billion, four hundred twenty million, six hundred eighty-five thousand, seven hundred seventeen".