671084628737 has 2 divisors, whose sum is σ = 671084628738. Its totient is φ = 671084628736.

The previous prime is 671084628733. The next prime is 671084628769. The reversal of 671084628737 is 737826480176.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 580272203536 + 90812425201 = 761756^2 + 301351^2 .

It is a cyclic number.

It is not a de Polignac number, because 671084628737 - 2² = 671084628733 is a prime.

It is not a weakly prime, because it can be changed into another prime (671084628733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335542314368 + 335542314369.

It is an arithmetic number, because the mean of its divisors is an integer number (335542314369).

Almost surely, 2^671084628737 is an apocalyptic number.

It is an amenable number.

671084628737 is a deficient number, since it is larger than the sum of its proper divisors (1).

671084628737 is an equidigital number, since it uses as much as digits as its factorization.

671084628737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18966528, while the sum is 59.

The spelling of 671084628737 in words is "six hundred seventy-one billion, eighty-four million, six hundred twenty-eight thousand, seven hundred thirty-seven".