3406734036661 has 2 divisors, whose sum is σ = 3406734036662. Its totient is φ = 3406734036660.

The previous prime is 3406734036653. The next prime is 3406734036679. The reversal of 3406734036661 is 1666304376043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3002575046436 + 404158990225 = 1732794^2 + 635735^2 .

It is a cyclic number.

It is not a de Polignac number, because 3406734036661 - 2³ = 3406734036653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3406734034661) 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, 1703367018330 + 1703367018331.

It is an arithmetic number, because the mean of its divisors is an integer number (1703367018331).

Almost surely, 2^{3406734036661} is an apocalyptic number.

It is an amenable number.

3406734036661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3406734036661 is an equidigital number, since it uses as much as digits as its factorization.

3406734036661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 49.

The spelling of 3406734036661 in words is "three trillion, four hundred six billion, seven hundred thirty-four million, thirty-six thousand, six hundred sixty-one".