999999000666007 has 2 divisors, whose sum is σ = 999999000666008. Its totient is φ = 999999000666006.

The previous prime is 999999000665993. The next prime is 999999000666011. The reversal of 999999000666007 is 700666000999999.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-999999000666007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999999000666707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499999500333003 + 499999500333004.

It is an arithmetic number, because the mean of its divisors is an integer number (499999500333004).

Almost surely, 2^{999999000666007} is an apocalyptic number.

999999000666007 is a deficient number, since it is larger than the sum of its proper divisors (1).

999999000666007 is an equidigital number, since it uses as much as digits as its factorization.

999999000666007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 803538792, while the sum is 79.

The spelling of 999999000666007 in words is "nine hundred ninety-nine trillion, nine hundred ninety-nine billion, six hundred sixty-six thousand, seven".