676618508173 has 2 divisors, whose sum is σ = 676618508174. Its totient is φ = 676618508172.

The previous prime is 676618508171. The next prime is 676618508201. The reversal of 676618508173 is 371805816676.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 456655632169 + 219962876004 = 675763^2 + 469002^2 .

It is a cyclic number.

It is not a de Polignac number, because 676618508173 - 2¹ = 676618508171 is a prime.

Together with 676618508171, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (676618508171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338309254086 + 338309254087.

It is an arithmetic number, because the mean of its divisors is an integer number (338309254087).

Almost surely, 2^676618508173 is an apocalyptic number.

It is an amenable number.

676618508173 is a deficient number, since it is larger than the sum of its proper divisors (1).

676618508173 is an equidigital number, since it uses as much as digits as its factorization.

676618508173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10160640, while the sum is 58.

The spelling of 676618508173 in words is "six hundred seventy-six billion, six hundred eighteen million, five hundred eight thousand, one hundred seventy-three".