4066416333509 has 2 divisors, whose sum is σ = 4066416333510. Its totient is φ = 4066416333508.

The previous prime is 4066416333403. The next prime is 4066416333521. The reversal of 4066416333509 is 9053336146604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4059608433409 + 6807900100 = 2014847^2 + 82510^2 .

It is a cyclic number.

It is not a de Polignac number, because 4066416333509 - 2²⁴ = 4066399556293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4066416363509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2033208166754 + 2033208166755.

It is an arithmetic number, because the mean of its divisors is an integer number (2033208166755).

Almost surely, 2^{4066416333509} is an apocalyptic number.

It is an amenable number.

4066416333509 is a deficient number, since it is larger than the sum of its proper divisors (1).

4066416333509 is an equidigital number, since it uses as much as digits as its factorization.

4066416333509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4199040, while the sum is 50.

The spelling of 4066416333509 in words is "four trillion, sixty-six billion, four hundred sixteen million, three hundred thirty-three thousand, five hundred nine".