217069483 has 2 divisors, whose sum is σ = 217069484. Its totient is φ = 217069482.

The previous prime is 217069427. The next prime is 217069493. The reversal of 217069483 is 384960712.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-217069483 is a prime.

It is not a weakly prime, because it can be changed into another prime (217069493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108534741 + 108534742.

It is an arithmetic number, because the mean of its divisors is an integer number (108534742).

Almost surely, 2^217069483 is an apocalyptic number.

217069483 is a deficient number, since it is larger than the sum of its proper divisors (1).

217069483 is an equidigital number, since it uses as much as digits as its factorization.

217069483 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 217069483 is about 14733.2780805902. The cubic root of 217069483 is about 600.9886321531.

The spelling of 217069483 in words is "two hundred seventeen million, sixty-nine thousand, four hundred eighty-three".