689482823 has 2 divisors, whose sum is σ = 689482824. Its totient is φ = 689482822.

The previous prime is 689482819. The next prime is 689482841. The reversal of 689482823 is 328284986.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 689482823 - 2² = 689482819 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (689482813) 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, 344741411 + 344741412.

It is an arithmetic number, because the mean of its divisors is an integer number (344741412).

Almost surely, 2^689482823 is an apocalyptic number.

689482823 is a deficient number, since it is larger than the sum of its proper divisors (1).

689482823 is an equidigital number, since it uses as much as digits as its factorization.

689482823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1327104, while the sum is 50.

The square root of 689482823 is about 26258.0049318298. The cubic root of 689482823 is about 883.4347610442.

The spelling of 689482823 in words is "six hundred eighty-nine million, four hundred eighty-two thousand, eight hundred twenty-three".