2042665335443 has 2 divisors, whose sum is σ = 2042665335444. Its totient is φ = 2042665335442.

The previous prime is 2042665335439. The next prime is 2042665335449. The reversal of 2042665335443 is 3445335662402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2042665335443 - 2² = 2042665335439 is a prime.

It is not a weakly prime, because it can be changed into another prime (2042665335449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021332667721 + 1021332667722.

It is an arithmetic number, because the mean of its divisors is an integer number (1021332667722).

Almost surely, 2^{2042665335443} is an apocalyptic number.

2042665335443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042665335443 is an equidigital number, since it uses as much as digits as its factorization.

2042665335443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6220800, while the sum is 47.

The spelling of 2042665335443 in words is "two trillion, forty-two billion, six hundred sixty-five million, three hundred thirty-five thousand, four hundred forty-three".