8418334350842 has 16 divisors (see below), whose sum is σ = 13599860105832. Its totient is φ = 3885095854080.

The previous prime is 8418334350841. The next prime is 8418334350847. The reversal of 8418334350842 is 2480534338148.

It can be written as a sum of positive squares in 4 ways, for example, as 3030833783041 + 5387500567801 = 1740929^2 + 2321099^2 .

It is a super-2 number, since 2×8418334350842² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (8418334350841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11695103 + ... + 12394034.

Almost surely, 2^{8418334350842} is an apocalyptic number.

8418334350842 is a deficient number, since it is larger than the sum of its proper divisors (5181525754990).

8418334350842 is a wasteful number, since it uses less digits than its factorization.

8418334350842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24102593.

The product of its (nonzero) digits is 8847360, while the sum is 53.

The spelling of 8418334350842 in words is "eight trillion, four hundred eighteen billion, three hundred thirty-four million, three hundred fifty thousand, eight hundred forty-two".