219141017 has 2 divisors, whose sum is σ = 219141018. Its totient is φ = 219141016.

The previous prime is 219141011. The next prime is 219141019. The reversal of 219141017 is 710141912.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116402521 + 102738496 = 10789^2 + 10136^2 .

It is a cyclic number.

It is not a de Polignac number, because 219141017 - 2¹² = 219136921 is a prime.

Together with 219141019, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (219141011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109570508 + 109570509.

It is an arithmetic number, because the mean of its divisors is an integer number (109570509).

Almost surely, 2^219141017 is an apocalyptic number.

It is an amenable number.

219141017 is a deficient number, since it is larger than the sum of its proper divisors (1).

219141017 is an equidigital number, since it uses as much as digits as its factorization.

219141017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 219141017 is about 14803.4123431052. The cubic root of 219141017 is about 602.8943643811.

Adding to 219141017 its reverse (710141912), we get a palindrome (929282929).

The spelling of 219141017 in words is "two hundred nineteen million, one hundred forty-one thousand, seventeen".