673866431171 has 2 divisors, whose sum is σ = 673866431172. Its totient is φ = 673866431170.

The previous prime is 673866431153. The next prime is 673866431191. The reversal of 673866431171 is 171134668376.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 673866431171 - 2⁶ = 673866431107 is a prime.

It is not a weakly prime, because it can be changed into another prime (673866431131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336933215585 + 336933215586.

It is an arithmetic number, because the mean of its divisors is an integer number (336933215586).

Almost surely, 2^673866431171 is an apocalyptic number.

673866431171 is a deficient number, since it is larger than the sum of its proper divisors (1).

673866431171 is an equidigital number, since it uses as much as digits as its factorization.

673866431171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3048192, while the sum is 53.

The spelling of 673866431171 in words is "six hundred seventy-three billion, eight hundred sixty-six million, four hundred thirty-one thousand, one hundred seventy-one".