676405633 has 2 divisors, whose sum is σ = 676405634. Its totient is φ = 676405632.

The previous prime is 676405619. The next prime is 676405649. The reversal of 676405633 is 336504676.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 439615089 + 236790544 = 20967^2 + 15388^2 .

It is a cyclic number.

It is not a de Polignac number, because 676405633 - 2⁵ = 676405601 is a prime.

It is not a weakly prime, because it can be changed into another prime (676405603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338202816 + 338202817.

It is an arithmetic number, because the mean of its divisors is an integer number (338202817).

Almost surely, 2^676405633 is an apocalyptic number.

It is an amenable number.

676405633 is a deficient number, since it is larger than the sum of its proper divisors (1).

676405633 is an equidigital number, since it uses as much as digits as its factorization.

676405633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 40.

The square root of 676405633 is about 26007.7994647759. The cubic root of 676405633 is about 877.8138023736.

The spelling of 676405633 in words is "six hundred seventy-six million, four hundred five thousand, six hundred thirty-three".