838694496838 has 24 divisors (see below), whose sum is σ = 1388315504520. Its totient is φ = 379705920000.

The previous prime is 838694496833. The next prime is 838694496847.

838694496838 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838694496833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6843003 + ... + 6964486.

It is an arithmetic number, because the mean of its divisors is an integer number (57846479355).

Almost surely, 2^838694496838 is an apocalyptic number.

838694496838 is a deficient number, since it is larger than the sum of its proper divisors (549621007682).

838694496838 is a wasteful number, since it uses less digits than its factorization.

838694496838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13807764 (or 13807753 counting only the distinct ones).

The product of its digits is 1719926784, while the sum is 76.

The spelling of 838694496838 in words is "eight hundred thirty-eight billion, six hundred ninety-four million, four hundred ninety-six thousand, eight hundred thirty-eight".