2043009673 has 2 divisors, whose sum is σ = 2043009674. Its totient is φ = 2043009672.

The previous prime is 2043009671. The next prime is 2043009701. The reversal of 2043009673 is 3769003402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1461379984 + 581629689 = 38228^2 + 24117^2 .

It is a cyclic number.

It is not a de Polignac number, because 2043009673 - 2¹ = 2043009671 is a prime.

Together with 2043009671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2043009671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021504836 + 1021504837.

It is an arithmetic number, because the mean of its divisors is an integer number (1021504837).

Almost surely, 2^2043009673 is an apocalyptic number.

It is an amenable number.

2043009673 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043009673 is an equidigital number, since it uses as much as digits as its factorization.

2043009673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 2043009673 is about 45199.6645230913. The cubic root of 2043009673 is about 1268.8885377676. Note that the first 3 decimals are identical.

The spelling of 2043009673 in words is "two billion, forty-three million, nine thousand, six hundred seventy-three".