838731826994 has 8 divisors (see below), whose sum is σ = 1258101992748. Its totient is φ = 419364496080.

The previous prime is 838731826993. The next prime is 838731827027. The reversal of 838731826994 is 499628137838.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 807185449225 + 31546377769 = 898435^2 + 177613^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×838731826994² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (838731826993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343244 + ... + 1339880.

Almost surely, 2^838731826994 is an apocalyptic number.

838731826994 is a deficient number, since it is larger than the sum of its proper divisors (419370165754).

838731826994 is a wasteful number, since it uses less digits than its factorization.

838731826994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417420.

The product of its digits is 125411328, while the sum is 68.

The spelling of 838731826994 in words is "eight hundred thirty-eight billion, seven hundred thirty-one million, eight hundred twenty-six thousand, nine hundred ninety-four".