2000066819 has 2 divisors, whose sum is σ = 2000066820. Its totient is φ = 2000066818.

The previous prime is 2000066743. The next prime is 2000066839. The reversal of 2000066819 is 9186600002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2000066819 is a prime.

It is a super-2 number, since 2×2000066819² = 8000534560929557522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2000066839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000033409 + 1000033410.

It is an arithmetic number, because the mean of its divisors is an integer number (1000033410).

Almost surely, 2^2000066819 is an apocalyptic number.

2000066819 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000066819 is an equidigital number, since it uses as much as digits as its factorization.

2000066819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 2000066819 is about 44722.1066028871. The cubic root of 2000066819 is about 1259.9350808494.

The spelling of 2000066819 in words is "two billion, sixty-six thousand, eight hundred nineteen".