971671065133 has 2 divisors, whose sum is σ = 971671065134. Its totient is φ = 971671065132.

The previous prime is 971671065121. The next prime is 971671065221. The reversal of 971671065133 is 331560176179.

971671065133 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., 964927042249 + 6744022884 = 982307^2 + 82122^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-971671065133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (971671065433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485835532566 + 485835532567.

It is an arithmetic number, because the mean of its divisors is an integer number (485835532567).

Almost surely, 2^971671065133 is an apocalyptic number.

It is an amenable number.

971671065133 is a deficient number, since it is larger than the sum of its proper divisors (1).

971671065133 is an equidigital number, since it uses as much as digits as its factorization.

971671065133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 714420, while the sum is 49.

The spelling of 971671065133 in words is "nine hundred seventy-one billion, six hundred seventy-one million, sixty-five thousand, one hundred thirty-three".