683677633 has 2 divisors, whose sum is σ = 683677634. Its totient is φ = 683677632.

The previous prime is 683677571. The next prime is 683677667. The reversal of 683677633 is 336776386.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 671483569 + 12194064 = 25913^2 + 3492^2 .

It is a cyclic number.

It is not a de Polignac number, because 683677633 - 2¹⁷ = 683546561 is a prime.

It is not a weakly prime, because it can be changed into another prime (683677693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341838816 + 341838817.

It is an arithmetic number, because the mean of its divisors is an integer number (341838817).

Almost surely, 2^683677633 is an apocalyptic number.

It is an amenable number.

683677633 is a deficient number, since it is larger than the sum of its proper divisors (1).

683677633 is an equidigital number, since it uses as much as digits as its factorization.

683677633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 49.

The square root of 683677633 is about 26147.2299297650. The cubic root of 683677633 is about 880.9483719466.

The spelling of 683677633 in words is "six hundred eighty-three million, six hundred seventy-seven thousand, six hundred thirty-three".