2309921417 has 2 divisors, whose sum is σ = 2309921418. Its totient is φ = 2309921416.

The previous prime is 2309921401. The next prime is 2309921423. The reversal of 2309921417 is 7141299032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2149620496 + 160300921 = 46364^2 + 12661^2 .

It is a cyclic number.

It is not a de Polignac number, because 2309921417 - 2⁴ = 2309921401 is a prime.

It is not a weakly prime, because it can be changed into another prime (2309981417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1154960708 + 1154960709.

It is an arithmetic number, because the mean of its divisors is an integer number (1154960709).

Almost surely, 2^2309921417 is an apocalyptic number.

It is an amenable number.

2309921417 is a deficient number, since it is larger than the sum of its proper divisors (1).

2309921417 is an equidigital number, since it uses as much as digits as its factorization.

2309921417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 2309921417 is about 48061.6418466952. The cubic root of 2309921417 is about 1321.9014181927.

The spelling of 2309921417 in words is "two billion, three hundred nine million, nine hundred twenty-one thousand, four hundred seventeen".