999000001039 has 2 divisors, whose sum is σ = 999000001040. Its totient is φ = 999000001038.

The previous prime is 999000000959. The next prime is 999000001049. The reversal of 999000001039 is 930100000999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 999000001039 - 2⁹ = 999000000527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 999000000992 and 999000001010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999000001049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499500000519 + 499500000520.

It is an arithmetic number, because the mean of its divisors is an integer number (499500000520).

Almost surely, 2^999000001039 is an apocalyptic number.

999000001039 is a deficient number, since it is larger than the sum of its proper divisors (1).

999000001039 is an equidigital number, since it uses as much as digits as its factorization.

999000001039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19683, while the sum is 40.

Subtracting from 999000001039 its sum of digits (40), we obtain a palindrome (999000000999).

The spelling of 999000001039 in words is "nine hundred ninety-nine billion, one thousand, thirty-nine".