6897679219 has 2 divisors, whose sum is σ = 6897679220. Its totient is φ = 6897679218.

The previous prime is 6897679199. The next prime is 6897679289. The reversal of 6897679219 is 9129767986.

6897679219 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6897679219 - 2⁹ = 6897678707 is a prime.

It is a super-2 number, since 2×6897679219² = 95155957216448899922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6897679289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3448839609 + 3448839610.

It is an arithmetic number, because the mean of its divisors is an integer number (3448839610).

Almost surely, 2^6897679219 is an apocalyptic number.

6897679219 is a deficient number, since it is larger than the sum of its proper divisors (1).

6897679219 is an equidigital number, since it uses as much as digits as its factorization.

6897679219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20575296, while the sum is 64.

The square root of 6897679219 is about 83052.2679943179. The cubic root of 6897679219 is about 1903.5647958829.

The spelling of 6897679219 in words is "six billion, eight hundred ninety-seven million, six hundred seventy-nine thousand, two hundred nineteen".