2043218071 has 2 divisors, whose sum is σ = 2043218072. Its totient is φ = 2043218070.

The previous prime is 2043218069. The next prime is 2043218081. The reversal of 2043218071 is 1708123402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2043218071 - 2¹ = 2043218069 is a prime.

It is a super-2 number, since 2×2043218071² = 8349480171321922082, which contains 22 as substring.

Together with 2043218069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2043218081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021609035 + 1021609036.

It is an arithmetic number, because the mean of its divisors is an integer number (1021609036).

Almost surely, 2^2043218071 is an apocalyptic number.

2043218071 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043218071 is an equidigital number, since it uses as much as digits as its factorization.

2043218071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 2043218071 is about 45201.9697690267. The cubic root of 2043218071 is about 1268.9316807911.

It can be divided in two parts, 20432 and 18071, that added together give a triangular number (38503 = T₂₇₇).

The spelling of 2043218071 in words is "two billion, forty-three million, two hundred eighteen thousand, seventy-one".