2089000019 has 2 divisors, whose sum is σ = 2089000020. Its totient is φ = 2089000018.

The previous prime is 2088999953. The next prime is 2089000099. The reversal of 2089000019 is 9100009802.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2089000019 is a prime.

It is a super-2 number, since 2×2089000019² = 8727842158764000722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2088999955 and 2089000000.

It is not a weakly prime, because it can be changed into another prime (2089000099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1044500009 + 1044500010.

It is an arithmetic number, because the mean of its divisors is an integer number (1044500010).

Almost surely, 2^2089000019 is an apocalyptic number.

2089000019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2089000019 is an equidigital number, since it uses as much as digits as its factorization.

2089000019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 2089000019 is about 45705.5797359578. The cubic root of 2089000019 is about 1278.3393215790.

The spelling of 2089000019 in words is "two billion, eighty-nine million, nineteen", and thus it is an aban number and an uban number.