671044601677097 has 2 divisors, whose sum is σ = 671044601677098. Its totient is φ = 671044601677096.

The previous prime is 671044601677091. The next prime is 671044601677117. The reversal of 671044601677097 is 790776106440176.

671044601677097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 475167670352281 + 195876931324816 = 21798341^2 + 13995604^2 .

It is a cyclic number.

It is not a de Polignac number, because 671044601677097 - 2²⁴ = 671044584899881 is a prime.

It is not a weakly prime, because it can be changed into another prime (671044601677091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335522300838548 + 335522300838549.

It is an arithmetic number, because the mean of its divisors is an integer number (335522300838549).

Almost surely, 2^{671044601677097} is an apocalyptic number.

It is an amenable number.

671044601677097 is a deficient number, since it is larger than the sum of its proper divisors (1).

671044601677097 is an equidigital number, since it uses as much as digits as its factorization.

671044601677097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74680704, while the sum is 65.

The spelling of 671044601677097 in words is "six hundred seventy-one trillion, forty-four billion, six hundred one million, six hundred seventy-seven thousand, ninety-seven".