2086466189 has 2 divisors, whose sum is σ = 2086466190. Its totient is φ = 2086466188.

The previous prime is 2086466141. The next prime is 2086466197. The reversal of 2086466189 is 9816646802.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2071797289 + 14668900 = 45517^2 + 3830^2 .

It is a cyclic number.

It is not a de Polignac number, because 2086466189 - 2¹² = 2086462093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2086466089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1043233094 + 1043233095.

It is an arithmetic number, because the mean of its divisors is an integer number (1043233095).

Almost surely, 2^2086466189 is an apocalyptic number.

It is an amenable number.

2086466189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2086466189 is an equidigital number, since it uses as much as digits as its factorization.

2086466189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 995328, while the sum is 50.

The square root of 2086466189 is about 45677.8522809468. The cubic root of 2086466189 is about 1277.8222631802.

The spelling of 2086466189 in words is "two billion, eighty-six million, four hundred sixty-six thousand, one hundred eighty-nine".