666000484069 has 2 divisors, whose sum is σ = 666000484070. Its totient is φ = 666000484068.

The previous prime is 666000484027. The next prime is 666000484087. The reversal of 666000484069 is 960484000666.

666000484069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 645981912900 + 20018571169 = 803730^2 + 141487^2 .

It is a cyclic number.

It is not a de Polignac number, because 666000484069 - 2²⁵ = 665966929637 is a prime.

It is a super-2 number, since 2×666000484069² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (666000484769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333000242034 + 333000242035.

It is an arithmetic number, because the mean of its divisors is an integer number (333000242035).

Almost surely, 2^666000484069 is an apocalyptic number.

It is an amenable number.

666000484069 is a deficient number, since it is larger than the sum of its proper divisors (1).

666000484069 is an equidigital number, since it uses as much as digits as its factorization.

666000484069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1492992, while the sum is 49.

The spelling of 666000484069 in words is "six hundred sixty-six billion, four hundred eighty-four thousand, sixty-nine".