6812165219 has 8 divisors (see below), whose sum is σ = 6915551328. Its totient is φ = 6708985920.

The previous prime is 6812165203. The next prime is 6812165257. The reversal of 6812165219 is 9125612186.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6812165219 - 2⁴ = 6812165203 is a prime.

It is a super-2 number, since 2×6812165219² = 92811189941906635922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6812165119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15329 + ... + 117725.

It is an arithmetic number, because the mean of its divisors is an integer number (864443916).

Almost surely, 2^6812165219 is an apocalyptic number.

6812165219 is a deficient number, since it is larger than the sum of its proper divisors (103386109).

6812165219 is a wasteful number, since it uses less digits than its factorization.

6812165219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103405.

The product of its digits is 51840, while the sum is 41.

The square root of 6812165219 is about 82535.8420263585. The cubic root of 6812165219 is about 1895.6655783313.

The spelling of 6812165219 in words is "six billion, eight hundred twelve million, one hundred sixty-five thousand, two hundred nineteen".