673143053565137 has 2 divisors, whose sum is σ = 673143053565138. Its totient is φ = 673143053565136.

The previous prime is 673143053565133. The next prime is 673143053565181. The reversal of 673143053565137 is 731565350341376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 562381826297281 + 110761227267856 = 23714591^2 + 10524316^2 .

It is a cyclic number.

It is not a de Polignac number, because 673143053565137 - 2² = 673143053565133 is a prime.

It is not a weakly prime, because it can be changed into another prime (673143053565133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336571526782568 + 336571526782569.

It is an arithmetic number, because the mean of its divisors is an integer number (336571526782569).

Almost surely, 2^{673143053565137} is an apocalyptic number.

It is an amenable number.

673143053565137 is a deficient number, since it is larger than the sum of its proper divisors (1).

673143053565137 is an equidigital number, since it uses as much as digits as its factorization.

673143053565137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 71442000, while the sum is 59.

The spelling of 673143053565137 in words is "six hundred seventy-three trillion, one hundred forty-three billion, fifty-three million, five hundred sixty-five thousand, one hundred thirty-seven".