2043440410439 has 2 divisors, whose sum is σ = 2043440410440. Its totient is φ = 2043440410438.

The previous prime is 2043440410331. The next prime is 2043440410447. The reversal of 2043440410439 is 9340140443402.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2043440410439 is a prime.

It is a super-2 number, since 2×2043440410439² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2043440410469) 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, 1021720205219 + 1021720205220.

It is an arithmetic number, because the mean of its divisors is an integer number (1021720205220).

Almost surely, 2^{2043440410439} is an apocalyptic number.

2043440410439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043440410439 is an equidigital number, since it uses as much as digits as its factorization.

2043440410439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 2043440410439 in words is "two trillion, forty-three billion, four hundred forty million, four hundred ten thousand, four hundred thirty-nine".