9814994994 has 32 divisors (see below), whose sum is σ = 22521591936. Its totient is φ = 2793369600.

The previous prime is 9814994957. The next prime is 9814995011. The reversal of 9814994994 is 4994994189.

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, 443857 + ... + 465444.

It is an arithmetic number, because the mean of its divisors is an integer number (703799748).

Almost surely, 2^9814994994 is an apocalyptic number.

9814994994 is an abundant number, since it is smaller than the sum of its proper divisors (12706596942).

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

9814994994 is a wasteful number, since it uses less digits than its factorization.

9814994994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909570.

The product of its digits is 30233088, while the sum is 66.

The square root of 9814994994 is about 99070.6565739826. The cubic root of 9814994994 is about 2141.0658645033.

The spelling of 9814994994 in words is "nine billion, eight hundred fourteen million, nine hundred ninety-four thousand, nine hundred ninety-four".