42842239999 has 16 divisors (see below), whose sum is σ = 46962518400. Its totient is φ = 38841001056.

The previous prime is 42842239997. The next prime is 42842240053. The reversal of 42842239999 is 99993224824.

It is not a de Polignac number, because 42842239999 - 2¹ = 42842239997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42842239991) 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, 836472 + ... + 886210.

It is an arithmetic number, because the mean of its divisors is an integer number (2935157400).

Almost surely, 2^42842239999 is an apocalyptic number.

42842239999 is a deficient number, since it is larger than the sum of its proper divisors (4120278401).

42842239999 is a wasteful number, since it uses less digits than its factorization.

42842239999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50934.

The product of its digits is 20155392, while the sum is 61.

The spelling of 42842239999 in words is "forty-two billion, eight hundred forty-two million, two hundred thirty-nine thousand, nine hundred ninety-nine".