6819080019 has 4 divisors (see below), whose sum is σ = 9092106696. Its totient is φ = 4546053344.

The previous prime is 6819079991. The next prime is 6819080029. The reversal of 6819080019 is 9100809186.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6819080019 - 2⁹ = 6819079507 is a prime.

It is a super-2 number, since 2×6819080019² = 92999704611050080722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6819080029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1136513334 + ... + 1136513339.

It is an arithmetic number, because the mean of its divisors is an integer number (2273026674).

Almost surely, 2^6819080019 is an apocalyptic number.

6819080019 is a deficient number, since it is larger than the sum of its proper divisors (2273026677).

6819080019 is a wasteful number, since it uses less digits than its factorization.

6819080019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2273026676.

The product of its (nonzero) digits is 31104, while the sum is 42.

The square root of 6819080019 is about 82577.7210814152. The cubic root of 6819080019 is about 1896.3067702385.

The spelling of 6819080019 in words is "six billion, eight hundred nineteen million, eighty thousand, nineteen".