2068843619 has 2 divisors, whose sum is σ = 2068843620. Its totient is φ = 2068843618.

The previous prime is 2068843607. The next prime is 2068843627. The reversal of 2068843619 is 9163488602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2068843619 - 2⁸ = 2068843363 is a prime.

It is a super-2 number, since 2×2068843619² = 8560227839754034322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2068843639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034421809 + 1034421810.

It is an arithmetic number, because the mean of its divisors is an integer number (1034421810).

Almost surely, 2^2068843619 is an apocalyptic number.

2068843619 is a deficient number, since it is larger than the sum of its proper divisors (1).

2068843619 is an equidigital number, since it uses as much as digits as its factorization.

2068843619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 2068843619 is about 45484.5426381315. The cubic root of 2068843619 is about 1274.2145348466.

The spelling of 2068843619 in words is "two billion, sixty-eight million, eight hundred forty-three thousand, six hundred nineteen".