2194850717 has 2 divisors, whose sum is σ = 2194850718. Its totient is φ = 2194850716.

The previous prime is 2194850687. The next prime is 2194850731. The reversal of 2194850717 is 7170584912.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2073982681 + 120868036 = 45541^2 + 10994^2 .

It is a cyclic number.

It is not a de Polignac number, because 2194850717 - 2⁶ = 2194850653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2194850617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097425358 + 1097425359.

It is an arithmetic number, because the mean of its divisors is an integer number (1097425359).

Almost surely, 2^2194850717 is an apocalyptic number.

It is an amenable number.

2194850717 is a deficient number, since it is larger than the sum of its proper divisors (1).

2194850717 is an equidigital number, since it uses as much as digits as its factorization.

2194850717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 44.

The square root of 2194850717 is about 46849.2338998195. The cubic root of 2194850717 is about 1299.5759399904.

The spelling of 2194850717 in words is "two billion, one hundred ninety-four million, eight hundred fifty thousand, seven hundred seventeen".