1826789834468 has 6 divisors (see below), whose sum is σ = 3196882210326. Its totient is φ = 913394917232.

The previous prime is 1826789834459. The next prime is 1826789834491. The reversal of 1826789834468 is 8644389876281.

It can be written as a sum of positive squares in only one way, i.e., 1393986371584 + 432803462884 = 1180672^2 + 657878^2 .

It is a super-2 number, since 2×1826789834468² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1826789834395 and 1826789834404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228348729305 + ... + 228348729312.

It is an arithmetic number, because the mean of its divisors is an integer number (532813701721).

Almost surely, 2^{1826789834468} is an apocalyptic number.

It is an amenable number.

1826789834468 is a deficient number, since it is larger than the sum of its proper divisors (1370092375858).

1826789834468 is a wasteful number, since it uses less digits than its factorization.

1826789834468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456697458621 (or 456697458619 counting only the distinct ones).

The product of its digits is 891813888, while the sum is 74.

The spelling of 1826789834468 in words is "one trillion, eight hundred twenty-six billion, seven hundred eighty-nine million, eight hundred thirty-four thousand, four hundred sixty-eight".