1000000999006 has 16 divisors (see below), whose sum is σ = 1521234581328. Its totient is φ = 492928977600.

The previous prime is 1000000998979. The next prime is 1000000999007. The reversal of 1000000999006 is 6009990000001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000000999007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1217680 + ... + 1866211.

It is an arithmetic number, because the mean of its divisors is an integer number (95077161333).

Almost surely, 2^{1000000999006} is an apocalyptic number.

1000000999006 is a deficient number, since it is larger than the sum of its proper divisors (521233582322).

1000000999006 is a wasteful number, since it uses less digits than its factorization.

1000000999006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3086187.

The product of its (nonzero) digits is 4374, while the sum is 34.

Adding to 1000000999006 its reverse (6009990000001), we get a palindrome (7009990999007).

The spelling of 1000000999006 in words is "one trillion, nine hundred ninety-nine thousand, six".