3334665671681 has 2 divisors, whose sum is σ = 3334665671682. Its totient is φ = 3334665671680.

The previous prime is 3334665671669. The next prime is 3334665671741. The reversal of 3334665671681 is 1861765664333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3238416193600 + 96249478081 = 1799560^2 + 310241^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3334665671681 is a prime.

It is a super-2 number, since 2×3334665671681² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3334665671681.

It is not a weakly prime, because it can be changed into another prime (3334665671611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1667332835840 + 1667332835841.

It is an arithmetic number, because the mean of its divisors is an integer number (1667332835841).

Almost surely, 2^{3334665671681} is an apocalyptic number.

It is an amenable number.

3334665671681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3334665671681 is an equidigital number, since it uses as much as digits as its factorization.

3334665671681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39191040, while the sum is 59.

The spelling of 3334665671681 in words is "three trillion, three hundred thirty-four billion, six hundred sixty-five million, six hundred seventy-one thousand, six hundred eighty-one".