2084564843 has 2 divisors, whose sum is σ = 2084564844. Its totient is φ = 2084564842.

The previous prime is 2084564767. The next prime is 2084564857. The reversal of 2084564843 is 3484654802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2084564843 - 2¹⁸ = 2084302699 is a prime.

It is a super-2 number, since 2×2084564843² = 8690821169343229298, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2084564794 and 2084564803.

It is not a weakly prime, because it can be changed into another prime (2084564893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1042282421 + 1042282422.

It is an arithmetic number, because the mean of its divisors is an integer number (1042282422).

Almost surely, 2^2084564843 is an apocalyptic number.

2084564843 is a deficient number, since it is larger than the sum of its proper divisors (1).

2084564843 is an equidigital number, since it uses as much as digits as its factorization.

2084564843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 737280, while the sum is 44.

The square root of 2084564843 is about 45657.0349781937. The cubic root of 2084564843 is about 1277.4339957448.

The spelling of 2084564843 in words is "two billion, eighty-four million, five hundred sixty-four thousand, eight hundred forty-three".