340661219 has 2 divisors, whose sum is σ = 340661220. Its totient is φ = 340661218.

The previous prime is 340661161. The next prime is 340661261. The reversal of 340661219 is 912166043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340661219 - 2¹⁶ = 340595683 is a prime.

It is a super-2 number, since 2×340661219² = 232100132261131922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (340661719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170330609 + 170330610.

It is an arithmetic number, because the mean of its divisors is an integer number (170330610).

Almost surely, 2^340661219 is an apocalyptic number.

340661219 is a deficient number, since it is larger than the sum of its proper divisors (1).

340661219 is an equidigital number, since it uses as much as digits as its factorization.

340661219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 340661219 is about 18457.0100232947. The cubic root of 340661219 is about 698.4053626063.

The spelling of 340661219 in words is "three hundred forty million, six hundred sixty-one thousand, two hundred nineteen".