42844142869 has 8 divisors (see below), whose sum is σ = 46751260608. Its totient is φ = 38939057760.

The previous prime is 42844142833. The next prime is 42844142881. The reversal of 42844142869 is 96824144824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42844142869 - 2⁹ = 42844142357 is a prime.

It is a super-2 number, since 2×42844142869² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42844142969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463912 + ... + 548545.

It is an arithmetic number, because the mean of its divisors is an integer number (5843907576).

Almost surely, 2^42844142869 is an apocalyptic number.

It is an amenable number.

42844142869 is a deficient number, since it is larger than the sum of its proper divisors (3907117739).

42844142869 is a wasteful number, since it uses less digits than its factorization.

42844142869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016315.

The product of its digits is 3538944, while the sum is 52.

The spelling of 42844142869 in words is "forty-two billion, eight hundred forty-four million, one hundred forty-two thousand, eight hundred sixty-nine".