671073813187 has 2 divisors, whose sum is σ = 671073813188. Its totient is φ = 671073813186.

The previous prime is 671073813173. The next prime is 671073813211. The reversal of 671073813187 is 781318370176.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-671073813187 is a prime.

It is not a weakly prime, because it can be changed into another prime (671073817187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335536906593 + 335536906594.

It is an arithmetic number, because the mean of its divisors is an integer number (335536906594).

Almost surely, 2^671073813187 is an apocalyptic number.

671073813187 is a deficient number, since it is larger than the sum of its proper divisors (1).

671073813187 is an equidigital number, since it uses as much as digits as its factorization.

671073813187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1185408, while the sum is 52.

The spelling of 671073813187 in words is "six hundred seventy-one billion, seventy-three million, eight hundred thirteen thousand, one hundred eighty-seven".