654016219 has 2 divisors, whose sum is σ = 654016220. Its totient is φ = 654016218.

The previous prime is 654016189. The next prime is 654016261. The reversal of 654016219 is 912610456.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 654016219 - 2¹⁹ = 653491931 is a prime.

It is a super-2 number, since 2×654016219² = 855474429430111922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (654016019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327008109 + 327008110.

It is an arithmetic number, because the mean of its divisors is an integer number (327008110).

Almost surely, 2^654016219 is an apocalyptic number.

654016219 is a deficient number, since it is larger than the sum of its proper divisors (1).

654016219 is an equidigital number, since it uses as much as digits as its factorization.

654016219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 654016219 is about 25573.7408096665. The cubic root of 654016219 is about 868.0195489768.

The spelling of 654016219 in words is "six hundred fifty-four million, sixteen thousand, two hundred nineteen".