823056466819 has 2 divisors, whose sum is σ = 823056466820. Its totient is φ = 823056466818.

The previous prime is 823056466789. The next prime is 823056466861. The reversal of 823056466819 is 918664650328.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 823056466819 - 2⁷ = 823056466691 is a prime.

It is a super-2 number, since 2×823056466819² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (823056469819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411528233409 + 411528233410.

It is an arithmetic number, because the mean of its divisors is an integer number (411528233410).

Almost surely, 2^823056466819 is an apocalyptic number.

823056466819 is a deficient number, since it is larger than the sum of its proper divisors (1).

823056466819 is an equidigital number, since it uses as much as digits as its factorization.

823056466819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14929920, while the sum is 58.

The spelling of 823056466819 in words is "eight hundred twenty-three billion, fifty-six million, four hundred sixty-six thousand, eight hundred nineteen".