2082290891 has 2 divisors, whose sum is σ = 2082290892. Its totient is φ = 2082290890.

The previous prime is 2082290869. The next prime is 2082290929. The reversal of 2082290891 is 1980922802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2082290891 - 2³⁰ = 1008549067 is a prime.

It is not a weakly prime, because it can be changed into another prime (2082290291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1041145445 + 1041145446.

It is an arithmetic number, because the mean of its divisors is an integer number (1041145446).

Almost surely, 2^2082290891 is an apocalyptic number.

2082290891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2082290891 is an equidigital number, since it uses as much as digits as its factorization.

2082290891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 2082290891 is about 45632.1256463032. The cubic root of 2082290891 is about 1276.9693295445.

The spelling of 2082290891 in words is "two billion, eighty-two million, two hundred ninety thousand, eight hundred ninety-one".