673591559 has 2 divisors, whose sum is σ = 673591560. Its totient is φ = 673591558.

The previous prime is 673591519. The next prime is 673591573. The reversal of 673591559 is 955195376.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673591559 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673591519) 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, 336795779 + 336795780.

It is an arithmetic number, because the mean of its divisors is an integer number (336795780).

Almost surely, 2^673591559 is an apocalyptic number.

673591559 is a deficient number, since it is larger than the sum of its proper divisors (1).

673591559 is an equidigital number, since it uses as much as digits as its factorization.

673591559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1275750, while the sum is 50.

The square root of 673591559 is about 25953.6424996570. The cubic root of 673591559 is about 876.5947771404.

The spelling of 673591559 in words is "six hundred seventy-three million, five hundred ninety-one thousand, five hundred fifty-nine".