2043218039 has 2 divisors, whose sum is σ = 2043218040. Its totient is φ = 2043218038.

The previous prime is 2043217993. The next prime is 2043218069. The reversal of 2043218039 is 9308123402.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2043218039 - 2²⁰ = 2042169463 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2043217996 and 2043218014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2043218069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021609019 + 1021609020.

It is an arithmetic number, because the mean of its divisors is an integer number (1021609020).

Almost surely, 2^2043218039 is an apocalyptic number.

2043218039 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043218039 is an equidigital number, since it uses as much as digits as its factorization.

2043218039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 2043218039 is about 45201.9694150598. The cubic root of 2043218039 is about 1268.9316741666.

The spelling of 2043218039 in words is "two billion, forty-three million, two hundred eighteen thousand, thirty-nine".