8436804983919 has 12 divisors (see below), whose sum is σ = 13123918864056. Its totient is φ = 5191879990032.

The previous prime is 8436804983879. The next prime is 8436804983953. The reversal of 8436804983919 is 9193894086348.

8436804983919 is a `hidden beast` number, since 8 + 43 + 6 + 8 + 0 + 498 + 3 + 91 + 9 = 666.

It is not a de Polignac number, because 8436804983919 - 2¹⁹ = 8436804459631 is a prime.

It is a super-2 number, since 2×8436804983919² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8436804984919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36054722037 + ... + 36054722270.

It is an arithmetic number, because the mean of its divisors is an integer number (1093659905338).

Almost surely, 2^{8436804983919} is an apocalyptic number.

8436804983919 is a deficient number, since it is larger than the sum of its proper divisors (4687113880137).

8436804983919 is a wasteful number, since it uses less digits than its factorization.

8436804983919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72109444326 (or 72109444323 counting only the distinct ones).

The product of its (nonzero) digits is 322486272, while the sum is 72.

The spelling of 8436804983919 in words is "eight trillion, four hundred thirty-six billion, eight hundred four million, nine hundred eighty-three thousand, nine hundred nineteen".