2106000019 has 2 divisors, whose sum is σ = 2106000020. Its totient is φ = 2106000018.

The previous prime is 2105999993. The next prime is 2106000047. The reversal of 2106000019 is 9100006012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2106000019 - 2⁹ = 2105999507 is a prime.

It is a super-2 number, since 2×2106000019² = 8870472160056000722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2106000089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053000009 + 1053000010.

It is an arithmetic number, because the mean of its divisors is an integer number (1053000010).

Almost surely, 2^2106000019 is an apocalyptic number.

2106000019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2106000019 is an equidigital number, since it uses as much as digits as its factorization.

2106000019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 2106000019 is about 45891.1758293465. The cubic root of 2106000019 is about 1281.7976083641.

The spelling of 2106000019 in words is "two billion, one hundred six million, nineteen", and thus it is an aban number.