671341670093 has 2 divisors, whose sum is σ = 671341670094. Its totient is φ = 671341670092.

The previous prime is 671341670081. The next prime is 671341670107. The reversal of 671341670093 is 390076143176.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 404716085929 + 266625584164 = 636173^2 + 516358^2 .

It is a cyclic number.

It is not a de Polignac number, because 671341670093 - 2²⁶ = 671274561229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (671341670023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335670835046 + 335670835047.

It is an arithmetic number, because the mean of its divisors is an integer number (335670835047).

Almost surely, 2^671341670093 is an apocalyptic number.

It is an amenable number.

671341670093 is a deficient number, since it is larger than the sum of its proper divisors (1).

671341670093 is an equidigital number, since it uses as much as digits as its factorization.

671341670093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 571536, while the sum is 47.

The spelling of 671341670093 in words is "six hundred seventy-one billion, three hundred forty-one million, six hundred seventy thousand, ninety-three".