3646666666463 has 2 divisors, whose sum is σ = 3646666666464. Its totient is φ = 3646666666462.

The previous prime is 3646666666457. The next prime is 3646666666483.

3646666666463 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 3646666666463 - 2³⁶ = 3577947189727 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 3646666666393 and 3646666666402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3646666666403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1823333333231 + 1823333333232.

It is an arithmetic number, because the mean of its divisors is an integer number (1823333333232).

Almost surely, 2^{3646666666463} is an apocalyptic number.

3646666666463 is a deficient number, since it is larger than the sum of its proper divisors (1).

3646666666463 is an equidigital number, since it uses as much as digits as its factorization.

3646666666463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451188224, while the sum is 68.

The spelling of 3646666666463 in words is "three trillion, six hundred forty-six billion, six hundred sixty-six million, six hundred sixty-six thousand, four hundred sixty-three".