42844142867 has 16 divisors (see below), whose sum is σ = 43902540000. Its totient is φ = 41797350144.

The previous prime is 42844142833. The next prime is 42844142881. The reversal of 42844142867 is 76824144824.

It is a cyclic number.

It is not a de Polignac number, because 42844142867 - 2¹⁰ = 42844141843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42844142167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18363233 + ... + 18365565.

It is an arithmetic number, because the mean of its divisors is an integer number (2743908750).

Almost surely, 2^42844142867 is an apocalyptic number.

42844142867 is a deficient number, since it is larger than the sum of its proper divisors (1058397133).

42844142867 is a wasteful number, since it uses less digits than its factorization.

42844142867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4630.

The product of its digits is 2752512, while the sum is 50.

The spelling of 42844142867 in words is "forty-two billion, eight hundred forty-four million, one hundred forty-two thousand, eight hundred sixty-seven".