999999000547 has 2 divisors, whose sum is σ = 999999000548. Its totient is φ = 999999000546.

The previous prime is 999999000521. The next prime is 999999000551. The reversal of 999999000547 is 745000999999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 999999000547 - 2¹¹ = 999998998499 is a prime.

It is not a weakly prime, because it can be changed into another prime (999999000347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499999500273 + 499999500274.

It is an arithmetic number, because the mean of its divisors is an integer number (499999500274).

Almost surely, 2^999999000547 is an apocalyptic number.

999999000547 is a deficient number, since it is larger than the sum of its proper divisors (1).

999999000547 is an equidigital number, since it uses as much as digits as its factorization.

999999000547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74401740, while the sum is 70.

The spelling of 999999000547 in words is "nine hundred ninety-nine billion, nine hundred ninety-nine million, five hundred forty-seven", and thus it is an aban number.