9864241858442 has 16 divisors (see below), whose sum is σ = 15075656275680. Its totient is φ = 4839024542352.

The previous prime is 9864241858439. The next prime is 9864241858453. The reversal of 9864241858442 is 2448581424689.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17565809 + ... + 18118667.

It is an arithmetic number, because the mean of its divisors is an integer number (942228517230).

Almost surely, 2^{9864241858442} is an apocalyptic number.

9864241858442 is a deficient number, since it is larger than the sum of its proper divisors (5211414417238).

9864241858442 is a wasteful number, since it uses less digits than its factorization.

9864241858442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721237.

The product of its digits is 141557760, while the sum is 65.

The spelling of 9864241858442 in words is "nine trillion, eight hundred sixty-four billion, two hundred forty-one million, eight hundred fifty-eight thousand, four hundred forty-two".