7143220417 has 2 divisors, whose sum is σ = 7143220418. Its totient is φ = 7143220416.

The previous prime is 7143220397. The next prime is 7143220439. The reversal of 7143220417 is 7140223417.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5926536256 + 1216684161 = 76984^2 + 34881^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7143220417 is a prime.

It is not a weakly prime, because it can be changed into another prime (7143221417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3571610208 + 3571610209.

It is an arithmetic number, because the mean of its divisors is an integer number (3571610209).

Almost surely, 2^7143220417 is an apocalyptic number.

It is an amenable number.

7143220417 is a deficient number, since it is larger than the sum of its proper divisors (1).

7143220417 is an equidigital number, since it uses as much as digits as its factorization.

7143220417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 7143220417 is about 84517.5746043389. The cubic root of 7143220417 is about 1925.8894336528.

The spelling of 7143220417 in words is "seven billion, one hundred forty-three million, two hundred twenty thousand, four hundred seventeen".