816234829 has 2 divisors, whose sum is σ = 816234830. Its totient is φ = 816234828.

The previous prime is 816234823. The next prime is 816234863. The reversal of 816234829 is 928432618.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 423124900 + 393109929 = 20570^2 + 19827^2 .

It is a cyclic number.

It is not a de Polignac number, because 816234829 - 2⁷ = 816234701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (816234823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 408117414 + 408117415.

It is an arithmetic number, because the mean of its divisors is an integer number (408117415).

Almost surely, 2^816234829 is an apocalyptic number.

It is an amenable number.

816234829 is a deficient number, since it is larger than the sum of its proper divisors (1).

816234829 is an equidigital number, since it uses as much as digits as its factorization.

816234829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 43.

The square root of 816234829 is about 28569.8237481438. The cubic root of 816234829 is about 934.5553774561. Note that the first 3 decimals are identical.

The spelling of 816234829 in words is "eight hundred sixteen million, two hundred thirty-four thousand, eight hundred twenty-nine".