6391104219 has 12 divisors (see below), whose sum is σ = 9774630216. Its totient is φ = 4010104512.

The previous prime is 6391104199. The next prime is 6391104221. The reversal of 6391104219 is 9124011936.

It is a happy number.

6391104219 is a `hidden beast` number, since 639 + 1 + 1 + 0 + 4 + 2 + 19 = 666.

It is not a de Polignac number, because 6391104219 - 2¹² = 6391100123 is a prime.

It is a super-2 number, since 2×6391104219² = 81692426276239199922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6391104299) 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, 20885809 + ... + 20886114.

It is an arithmetic number, because the mean of its divisors is an integer number (814552518).

Almost surely, 2^6391104219 is an apocalyptic number.

6391104219 is a deficient number, since it is larger than the sum of its proper divisors (3383525997).

6391104219 is a wasteful number, since it uses less digits than its factorization.

6391104219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41771946 (or 41771943 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 6391104219 is about 79944.3820352625. The cubic root of 6391104219 is about 1855.7749146250.

The spelling of 6391104219 in words is "six billion, three hundred ninety-one million, one hundred four thousand, two hundred nineteen".