8398381015738 has 16 divisors (see below), whose sum is σ = 14398031007360. Its totient is φ = 3599104547376.

The previous prime is 8398381015711. The next prime is 8398381015741. The reversal of 8398381015738 is 8375101838938.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8398381015738.

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, 16541173 + ... + 17041336.

It is an arithmetic number, because the mean of its divisors is an integer number (899876937960).

Almost surely, 2^{8398381015738} is an apocalyptic number.

8398381015738 is a deficient number, since it is larger than the sum of its proper divisors (5999649991622).

8398381015738 is a wasteful number, since it uses less digits than its factorization.

8398381015738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33600381.

The product of its (nonzero) digits is 34836480, while the sum is 64.

The spelling of 8398381015738 in words is "eight trillion, three hundred ninety-eight billion, three hundred eighty-one million, fifteen thousand, seven hundred thirty-eight".