999990000067 has 2 divisors, whose sum is σ = 999990000068. Its totient is φ = 999990000066.

The previous prime is 999990000017. The next prime is 999990000073. The reversal of 999990000067 is 760000099999.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-999990000067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 999989999966 and 999990000020.

It is not a weakly prime, because it can be changed into another prime (999990000017) 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, 499995000033 + 499995000034.

It is an arithmetic number, because the mean of its divisors is an integer number (499995000034).

Almost surely, 2^999990000067 is an apocalyptic number.

999990000067 is a deficient number, since it is larger than the sum of its proper divisors (1).

999990000067 is an equidigital number, since it uses as much as digits as its factorization.

999990000067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2480058, while the sum is 58.

The spelling of 999990000067 in words is "nine hundred ninety-nine billion, nine hundred ninety million, sixty-seven", and thus it is an aban number.