7163431217 has 2 divisors, whose sum is σ = 7163431218. Its totient is φ = 7163431216.

The previous prime is 7163431123. The next prime is 7163431267. The reversal of 7163431217 is 7121343617.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6850707361 + 312723856 = 82769^2 + 17684^2 .

It is a cyclic number.

It is not a de Polignac number, because 7163431217 - 2⁸ = 7163430961 is a prime.

It is not a weakly prime, because it can be changed into another prime (7163431267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3581715608 + 3581715609.

It is an arithmetic number, because the mean of its divisors is an integer number (3581715609).

Almost surely, 2^7163431217 is an apocalyptic number.

It is an amenable number.

7163431217 is a deficient number, since it is larger than the sum of its proper divisors (1).

7163431217 is an equidigital number, since it uses as much as digits as its factorization.

7163431217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 35.

The square root of 7163431217 is about 84637.0558148144. The cubic root of 7163431217 is about 1927.7040733439.

The spelling of 7163431217 in words is "seven billion, one hundred sixty-three million, four hundred thirty-one thousand, two hundred seventeen".