200001019 has 2 divisors, whose sum is σ = 200001020. Its totient is φ = 200001018.

The previous prime is 200001013. The next prime is 200001047. The reversal of 200001019 is 910100002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200001019 - 2⁵ = 200000987 is a prime.

It is a super-2 number, since 2×200001019² = 80000815202076722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200001013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100000509 + 100000510.

It is an arithmetic number, because the mean of its divisors is an integer number (100000510).

Almost surely, 2^200001019 is an apocalyptic number.

200001019 is a deficient number, since it is larger than the sum of its proper divisors (1).

200001019 is an equidigital number, since it uses as much as digits as its factorization.

200001019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 200001019 is about 14142.1716507756. The cubic root of 200001019 is about 584.8045408322.

The spelling of 200001019 in words is "two hundred million, one thousand, nineteen".