6608466421393 has 2 divisors, whose sum is σ = 6608466421394. Its totient is φ = 6608466421392.

The previous prime is 6608466421331. The next prime is 6608466421561. The reversal of 6608466421393 is 3931246648066.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5741280833409 + 867185587984 = 2396097^2 + 931228^2 .

It is a cyclic number.

It is not a de Polignac number, because 6608466421393 - 2³⁷ = 6471027467921 is a prime.

It is not a weakly prime, because it can be changed into another prime (6608466421693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3304233210696 + 3304233210697.

It is an arithmetic number, because the mean of its divisors is an integer number (3304233210697).

Almost surely, 2^{6608466421393} is an apocalyptic number.

It is an amenable number.

6608466421393 is a deficient number, since it is larger than the sum of its proper divisors (1).

6608466421393 is an equidigital number, since it uses as much as digits as its factorization.

6608466421393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26873856, while the sum is 58.

The spelling of 6608466421393 in words is "six trillion, six hundred eight billion, four hundred sixty-six million, four hundred twenty-one thousand, three hundred ninety-three".