6608466421289 has 2 divisors, whose sum is σ = 6608466421290. Its totient is φ = 6608466421288.

The previous prime is 6608466421243. The next prime is 6608466421321. The reversal of 6608466421289 is 9821246648066.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5286932244889 + 1321534176400 = 2299333^2 + 1149580^2 .

It is a cyclic number.

It is not a de Polignac number, because 6608466421289 - 2²⁴ = 6608449644073 is a prime.

It is not a weakly prime, because it can be changed into another prime (6608466420289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3304233210644 + 3304233210645.

It is an arithmetic number, because the mean of its divisors is an integer number (3304233210645).

Almost surely, 2^{6608466421289} is an apocalyptic number.

It is an amenable number.

6608466421289 is a deficient number, since it is larger than the sum of its proper divisors (1).

6608466421289 is an equidigital number, since it uses as much as digits as its factorization.

6608466421289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47775744, while the sum is 62.

The spelling of 6608466421289 in words is "six trillion, six hundred eight billion, four hundred sixty-six million, four hundred twenty-one thousand, two hundred eighty-nine".