6821793419 has 8 divisors (see below), whose sum is σ = 7924144608. Its totient is φ = 5751394560.

The previous prime is 6821793367. The next prime is 6821793457. The reversal of 6821793419 is 9143971286.

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 6821793419 - 2¹² = 6821789323 is a prime.

It is a super-2 number, since 2×6821793419² = 93073730903023419122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6821793469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7987622 + ... + 7988475.

It is an arithmetic number, because the mean of its divisors is an integer number (990518076).

Almost surely, 2^6821793419 is an apocalyptic number.

6821793419 is a deficient number, since it is larger than the sum of its proper divisors (1102351189).

6821793419 is a wasteful number, since it uses less digits than its factorization.

6821793419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15976165.

The product of its digits is 653184, while the sum is 50.

The square root of 6821793419 is about 82594.1488181820. The cubic root of 6821793419 is about 1896.5582585354.

The spelling of 6821793419 in words is "six billion, eight hundred twenty-one million, seven hundred ninety-three thousand, four hundred nineteen".