3646411742089 has 2 divisors, whose sum is σ = 3646411742090. Its totient is φ = 3646411742088.

The previous prime is 3646411742041. The next prime is 3646411742143. The reversal of 3646411742089 is 9802471146463.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3453308622864 + 193103119225 = 1858308^2 + 439435^2 .

It is an emirp because it is prime and its reverse (9802471146463) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3646411742089 - 2³⁷ = 3508972788617 is a prime.

It is not a weakly prime, because it can be changed into another prime (3646411742189) 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, 1823205871044 + 1823205871045.

It is an arithmetic number, because the mean of its divisors is an integer number (1823205871045).

Almost surely, 2^{3646411742089} is an apocalyptic number.

It is an amenable number.

3646411742089 is a deficient number, since it is larger than the sum of its proper divisors (1).

3646411742089 is an equidigital number, since it uses as much as digits as its factorization.

3646411742089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6967296, while the sum is 55.

The spelling of 3646411742089 in words is "three trillion, six hundred forty-six billion, four hundred eleven million, seven hundred forty-two thousand, eighty-nine".