42865518677043 has 4 divisors (see below), whose sum is σ = 57154024902728. Its totient is φ = 28577012451360.

The previous prime is 42865518676991. The next prime is 42865518677063. The reversal of 42865518677043 is 34077681556824.

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

It is not a de Polignac number, because 42865518677043 - 2⁸ = 42865518676787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42865518677063) 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, 7144253112838 + ... + 7144253112843.

It is an arithmetic number, because the mean of its divisors is an integer number (14288506225682).

Almost surely, 2^{42865518677043} is an apocalyptic number.

42865518677043 is a deficient number, since it is larger than the sum of its proper divisors (14288506225685).

42865518677043 is a wasteful number, since it uses less digits than its factorization.

42865518677043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14288506225684.

The product of its (nonzero) digits is 270950400, while the sum is 66.

The spelling of 42865518677043 in words is "forty-two trillion, eight hundred sixty-five billion, five hundred eighteen million, six hundred seventy-seven thousand, forty-three".