6813466819 has 2 divisors, whose sum is σ = 6813466820. Its totient is φ = 6813466818.

The previous prime is 6813466783. The next prime is 6813466859. The reversal of 6813466819 is 9186643186.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6813466819 - 2⁷ = 6813466691 is a prime.

It is a super-2 number, since 2×6813466819² = 92846660187227957522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6813466859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3406733409 + 3406733410.

It is an arithmetic number, because the mean of its divisors is an integer number (3406733410).

Almost surely, 2^6813466819 is an apocalyptic number.

6813466819 is a deficient number, since it is larger than the sum of its proper divisors (1).

6813466819 is an equidigital number, since it uses as much as digits as its factorization.

6813466819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1492992, while the sum is 52.

The square root of 6813466819 is about 82543.7267089389. The cubic root of 6813466819 is about 1895.7863055453.

The spelling of 6813466819 in words is "six billion, eight hundred thirteen million, four hundred sixty-six thousand, eight hundred nineteen".