2043013439 has 2 divisors, whose sum is σ = 2043013440. Its totient is φ = 2043013438.

The previous prime is 2043013421. The next prime is 2043013481. The reversal of 2043013439 is 9343103402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2043013439 - 2⁸ = 2043013183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2043013409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021506719 + 1021506720.

It is an arithmetic number, because the mean of its divisors is an integer number (1021506720).

Almost surely, 2^2043013439 is an apocalyptic number.

2043013439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043013439 is an equidigital number, since it uses as much as digits as its factorization.

2043013439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 2043013439 is about 45199.7061826734. The cubic root of 2043013439 is about 1268.8893174394.

The spelling of 2043013439 in words is "two billion, forty-three million, thirteen thousand, four hundred thirty-nine".