4242143404643 has 4 divisors (see below), whose sum is σ = 4242549245328. Its totient is φ = 4241737563960.

The previous prime is 4242143404573. The next prime is 4242143404679. The reversal of 4242143404643 is 3464043412424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4242143404643 - 2³⁴ = 4224963535459 is a prime.

It is a super-2 number, since 2×4242143404643² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4242143404643.

It is not an unprimeable number, because it can be changed into a prime (4242143404043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202904663 + ... + 202925568.

It is an arithmetic number, because the mean of its divisors is an integer number (1060637311332).

Almost surely, 2^{4242143404643} is an apocalyptic number.

4242143404643 is a deficient number, since it is larger than the sum of its proper divisors (405840685).

4242143404643 is a wasteful number, since it uses less digits than its factorization.

4242143404643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405840684.

The product of its (nonzero) digits is 884736, while the sum is 41.

The spelling of 4242143404643 in words is "four trillion, two hundred forty-two billion, one hundred forty-three million, four hundred four thousand, six hundred forty-three".