8438111919249 has 16 divisors (see below), whose sum is σ = 11257977743232. Its totient is φ = 5621827413888.

The previous prime is 8438111919197. The next prime is 8438111919269. The reversal of 8438111919249 is 9429191118348.

It is not a de Polignac number, because 8438111919249 - 2²⁹ = 8437575048337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8438111919192 and 8438111919201.

It is not an unprimeable number, because it can be changed into a prime (8438111919269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112640484 + ... + 112715370.

It is an arithmetic number, because the mean of its divisors is an integer number (703623608952).

Almost surely, 2^{8438111919249} is an apocalyptic number.

It is an amenable number.

8438111919249 is a deficient number, since it is larger than the sum of its proper divisors (2819865823983).

8438111919249 is a wasteful number, since it uses less digits than its factorization.

8438111919249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98296.

The product of its digits is 4478976, while the sum is 60.

The spelling of 8438111919249 in words is "eight trillion, four hundred thirty-eight billion, one hundred eleven million, nine hundred nineteen thousand, two hundred forty-nine".