2019201071 has 2 divisors, whose sum is σ = 2019201072. Its totient is φ = 2019201070.

The previous prime is 2019201047. The next prime is 2019201127. The reversal of 2019201071 is 1701029102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2019201071 - 2¹⁸ = 2018938927 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2019201011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1009600535 + 1009600536.

It is an arithmetic number, because the mean of its divisors is an integer number (1009600536).

Almost surely, 2^2019201071 is an apocalyptic number.

2019201071 is a deficient number, since it is larger than the sum of its proper divisors (1).

2019201071 is an equidigital number, since it uses as much as digits as its factorization.

2019201071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 2019201071 is about 44935.5212610247. The cubic root of 2019201071 is about 1263.9401875021.

The spelling of 2019201071 in words is "two billion, nineteen million, two hundred one thousand, seventy-one".