6128819 has 2 divisors, whose sum is σ = 6128820. Its totient is φ = 6128818.

The previous prime is 6128813. The next prime is 6128821. The reversal of 6128819 is 9188216.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6128819 is a prime.

It is a super-2 number, since 2×6128819² = 75124844669522, which contains 22 as substring.

Together with 6128821, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6128813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3064409 + 3064410.

It is an arithmetic number, because the mean of its divisors is an integer number (3064410).

Almost surely, 2^6128819 is an apocalyptic number.

6128819 is a deficient number, since it is larger than the sum of its proper divisors (1).

6128819 is an equidigital number, since it uses as much as digits as its factorization.

6128819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 35.

The square root of 6128819 is about 2475.6451684359. The cubic root of 6128819 is about 183.0033045080.

The spelling of 6128819 in words is "six million, one hundred twenty-eight thousand, eight hundred nineteen".