999999000942 has 16 divisors (see below), whose sum is σ = 2000234985600. Its totient is φ = 333293503032.

The previous prime is 999999000929. The next prime is 999999000943. The reversal of 999999000942 is 249000999999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999999000943) 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, 9819442 + ... + 9920757.

It is an arithmetic number, because the mean of its divisors is an integer number (125014686600).

Almost surely, 2^999999000942 is an apocalyptic number.

999999000942 is an abundant number, since it is smaller than the sum of its proper divisors (1000235984658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

999999000942 is a wasteful number, since it uses less digits than its factorization.

999999000942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19748647.

The product of its (nonzero) digits is 38263752, while the sum is 69.

The spelling of 999999000942 in words is "nine hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred forty-two", and thus it is an aban number.