671084628733 has 2 divisors, whose sum is σ = 671084628734. Its totient is φ = 671084628732.

The previous prime is 671084628727. The next prime is 671084628737. The reversal of 671084628733 is 337826480176.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 413445142009 + 257639486724 = 642997^2 + 507582^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-671084628733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (671084628737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335542314366 + 335542314367.

It is an arithmetic number, because the mean of its divisors is an integer number (335542314367).

Almost surely, 2^671084628733 is an apocalyptic number.

It is an amenable number.

671084628733 is a deficient number, since it is larger than the sum of its proper divisors (1).

671084628733 is an equidigital number, since it uses as much as digits as its factorization.

671084628733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8128512, while the sum is 55.

The spelling of 671084628733 in words is "six hundred seventy-one billion, eighty-four million, six hundred twenty-eight thousand, seven hundred thirty-three".