816344033459 has 2 divisors, whose sum is σ = 816344033460. Its totient is φ = 816344033458.

The previous prime is 816344033447. The next prime is 816344033551. The reversal of 816344033459 is 954330443618.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 816344033459 - 2²⁸ = 816075598003 is a prime.

It is not a weakly prime, because it can be changed into another prime (816344032459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 408172016729 + 408172016730.

It is an arithmetic number, because the mean of its divisors is an integer number (408172016730).

Almost surely, 2^816344033459 is an apocalyptic number.

816344033459 is a deficient number, since it is larger than the sum of its proper divisors (1).

816344033459 is an equidigital number, since it uses as much as digits as its factorization.

816344033459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3732480, while the sum is 50.

The spelling of 816344033459 in words is "eight hundred sixteen billion, three hundred forty-four million, thirty-three thousand, four hundred fifty-nine".