42026646546643 has 4 divisors (see below), whose sum is σ = 45847250778168. Its totient is φ = 38206042315120.

The previous prime is 42026646546629. The next prime is 42026646546649. The reversal of 42026646546643 is 34664564662024.

42026646546643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42026646546643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42026646546649) 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 in 3 ways as a sum of consecutive naturals, for example, 1910302115746 + ... + 1910302115767.

It is an arithmetic number, because the mean of its divisors is an integer number (11461812694542).

Almost surely, 2^{42026646546643} is an apocalyptic number.

42026646546643 is a deficient number, since it is larger than the sum of its proper divisors (3820604231525).

42026646546643 is a wasteful number, since it uses less digits than its factorization.

42026646546643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3820604231524.

The product of its (nonzero) digits is 119439360, while the sum is 58.

The spelling of 42026646546643 in words is "forty-two trillion, twenty-six billion, six hundred forty-six million, five hundred forty-six thousand, six hundred forty-three".