3193666493 has 2 divisors, whose sum is σ = 3193666494. Its totient is φ = 3193666492.

The previous prime is 3193666457. The next prime is 3193666523. The reversal of 3193666493 is 3946663913.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2568766489 + 624900004 = 50683^2 + 24998^2 .

It is a cyclic number.

It is not a de Polignac number, because 3193666493 - 2¹⁰ = 3193665469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3193666453) 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, 1596833246 + 1596833247.

It is an arithmetic number, because the mean of its divisors is an integer number (1596833247).

Almost surely, 2^3193666493 is an apocalyptic number.

It is an amenable number.

3193666493 is a deficient number, since it is larger than the sum of its proper divisors (1).

3193666493 is an equidigital number, since it uses as much as digits as its factorization.

3193666493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1889568, while the sum is 50.

The square root of 3193666493 is about 56512.5339460194. The cubic root of 3193666493 is about 1472.6397557125.

The spelling of 3193666493 in words is "three billion, one hundred ninety-three million, six hundred sixty-six thousand, four hundred ninety-three".