8422989538813 has 16 divisors (see below), whose sum is σ = 8774458430976. Its totient is φ = 8079051185920.

The previous prime is 8422989538811. The next prime is 8422989538871. The reversal of 8422989538813 is 3188359892248.

It is a cyclic number.

It is not a de Polignac number, because 8422989538813 - 2¹ = 8422989538811 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 (8422989538811) 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 15 ways as a sum of consecutive naturals, for example, 275520 + ... + 4113622.

It is an arithmetic number, because the mean of its divisors is an integer number (548403651936).

Almost surely, 2^{8422989538813} is an apocalyptic number.

It is an amenable number.

8422989538813 is a deficient number, since it is larger than the sum of its proper divisors (351468892163).

8422989538813 is a wasteful number, since it uses less digits than its factorization.

8422989538813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3839084.

The product of its digits is 238878720, while the sum is 70.

The spelling of 8422989538813 in words is "eight trillion, four hundred twenty-two billion, nine hundred eighty-nine million, five hundred thirty-eight thousand, eight hundred thirteen".