3396656217761 has 2 divisors, whose sum is σ = 3396656217762. Its totient is φ = 3396656217760.

The previous prime is 3396656217743. The next prime is 3396656217859. The reversal of 3396656217761 is 1677126566933.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3221195763361 + 175460454400 = 1794769^2 + 418880^2 .

It is an emirp because it is prime and its reverse (1677126566933) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3396656217761 - 2²⁶ = 3396589108897 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3396656217694 and 3396656217703.

It is not a weakly prime, because it can be changed into another prime (3396656211761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1698328108880 + 1698328108881.

It is an arithmetic number, because the mean of its divisors is an integer number (1698328108881).

Almost surely, 2^{3396656217761} is an apocalyptic number.

It is an amenable number.

3396656217761 is a deficient number, since it is larger than the sum of its proper divisors (1).

3396656217761 is an equidigital number, since it uses as much as digits as its factorization.

3396656217761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51438240, while the sum is 62.

The spelling of 3396656217761 in words is "three trillion, three hundred ninety-six billion, six hundred fifty-six million, two hundred seventeen thousand, seven hundred sixty-one".