42876224581643 has 4 divisors (see below), whose sum is σ = 42879371012280. Its totient is φ = 42873078151008.

The previous prime is 42876224581621. The next prime is 42876224581661. The reversal of 42876224581643 is 34618542267824.

42876224581643 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 not a de Polignac number, because 42876224581643 - 2⁶ = 42876224581579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42876224581543) 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, 1573194878 + ... + 1573222131.

It is an arithmetic number, because the mean of its divisors is an integer number (10719842753070).

Almost surely, 2^{42876224581643} is an apocalyptic number.

42876224581643 is a deficient number, since it is larger than the sum of its proper divisors (3146430637).

42876224581643 is a wasteful number, since it uses less digits than its factorization.

42876224581643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3146430636.

The product of its digits is 123863040, while the sum is 62.

The spelling of 42876224581643 in words is "forty-two trillion, eight hundred seventy-six billion, two hundred twenty-four million, five hundred eighty-one thousand, six hundred forty-three".