994568809512 has 64 divisors (see below), whose sum is σ = 2520239641920. Its totient is φ = 327036192768.

The previous prime is 994568809499. The next prime is 994568809567. The reversal of 994568809512 is 215908865499.

It is a happy number.

994568809512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (66) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18898 + ... + 1410494.

It is an arithmetic number, because the mean of its divisors is an integer number (39378744405).

Almost surely, 2^994568809512 is an apocalyptic number.

It is an amenable number.

994568809512 is an abundant number, since it is smaller than the sum of its proper divisors (1525670832408).

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

994568809512 is a wasteful number, since it uses less digits than its factorization.

994568809512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392010 (or 1392006 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 66.

The spelling of 994568809512 in words is "nine hundred ninety-four billion, five hundred sixty-eight million, eight hundred nine thousand, five hundred twelve".