999966000263 has 2 divisors, whose sum is σ = 999966000264. Its totient is φ = 999966000262.

The previous prime is 999966000247. The next prime is 999966000317. The reversal of 999966000263 is 362000669999.

It is a weak prime.

It is an emirp because it is prime and its reverse (362000669999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 999966000263 - 2⁴ = 999966000247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999966000233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499983000131 + 499983000132.

It is an arithmetic number, because the mean of its divisors is an integer number (499983000132).

Almost surely, 2^999966000263 is an apocalyptic number.

999966000263 is a deficient number, since it is larger than the sum of its proper divisors (1).

999966000263 is an equidigital number, since it uses as much as digits as its factorization.

999966000263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8503056, while the sum is 59.

The spelling of 999966000263 in words is "nine hundred ninety-nine billion, nine hundred sixty-six million, two hundred sixty-three", and thus it is an aban number.