671788846373 has 2 divisors, whose sum is σ = 671788846374. Its totient is φ = 671788846372.

The previous prime is 671788846363. The next prime is 671788846411. The reversal of 671788846373 is 373648887176.

It is a happy number.

671788846373 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., 528031848964 + 143756997409 = 726658^2 + 379153^2 .

It is a cyclic number.

It is not a de Polignac number, because 671788846373 - 2¹⁶ = 671788780837 is a prime.

It is a super-2 number, since 2×671788846373² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (671788846343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335894423186 + 335894423187.

It is an arithmetic number, because the mean of its divisors is an integer number (335894423187).

Almost surely, 2^671788846373 is an apocalyptic number.

It is an amenable number.

671788846373 is a deficient number, since it is larger than the sum of its proper divisors (1).

671788846373 is an equidigital number, since it uses as much as digits as its factorization.

671788846373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 227598336, while the sum is 68.

The spelling of 671788846373 in words is "six hundred seventy-one billion, seven hundred eighty-eight million, eight hundred forty-six thousand, three hundred seventy-three".