6939232217 has 2 divisors, whose sum is σ = 6939232218. Its totient is φ = 6939232216.

The previous prime is 6939232207. The next prime is 6939232301. The reversal of 6939232217 is 7122329396.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5420493376 + 1518738841 = 73624^2 + 38971^2 .

It is a cyclic number.

It is not a de Polignac number, because 6939232217 - 2²⁰ = 6938183641 is a prime.

It is a super-3 number, since 3×6939232217³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (6939232207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3469616108 + 3469616109.

It is an arithmetic number, because the mean of its divisors is an integer number (3469616109).

Almost surely, 2^6939232217 is an apocalyptic number.

It is an amenable number.

6939232217 is a deficient number, since it is larger than the sum of its proper divisors (1).

6939232217 is an equidigital number, since it uses as much as digits as its factorization.

6939232217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 44.

The square root of 6939232217 is about 83302.0540983234. The cubic root of 6939232217 is about 1907.3796305737.

The spelling of 6939232217 in words is "six billion, nine hundred thirty-nine million, two hundred thirty-two thousand, two hundred seventeen".