994991434992 has 60 divisors (see below), whose sum is σ = 2789227596064. Its totient is φ = 331111929600.

The previous prime is 994991434981. The next prime is 994991435017. The reversal of 994991434992 is 299434199499.

994991434992 is a `hidden beast` number, since 9 + 9 + 4 + 9 + 91 + 43 + 499 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 994991434992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5661928 + ... + 5835015.

Almost surely, 2^994991434992 is an apocalyptic number.

It is an amenable number.

994991434992 is an abundant number, since it is smaller than the sum of its proper divisors (1794236161072).

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

994991434992 is a wasteful number, since it uses less digits than its factorization.

994991434992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11497558 (or 11497549 counting only the distinct ones).

The product of its digits is 204073344, while the sum is 72.

The spelling of 994991434992 in words is "nine hundred ninety-four billion, nine hundred ninety-one million, four hundred thirty-four thousand, nine hundred ninety-two".