9942064794 has 64 divisors (see below), whose sum is σ = 22329216000. Its totient is φ = 3278830320.

The previous prime is 9942064757. The next prime is 9942064861. The reversal of 9942064794 is 4974602499.

9942064794 is a `hidden beast` number, since 99 + 420 + 6 + 47 + 94 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 9942064794.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2332237 + ... + 2336495.

It is an arithmetic number, because the mean of its divisors is an integer number (348894000).

Almost surely, 2^9942064794 is an apocalyptic number.

9942064794 is an abundant number, since it is smaller than the sum of its proper divisors (12387151206).

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

9942064794 is a wasteful number, since it uses less digits than its factorization.

9942064794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4720 (or 4714 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The square root of 9942064794 is about 99709.9031892018. The cubic root of 9942064794 is about 2150.2660420019.

The spelling of 9942064794 in words is "nine billion, nine hundred forty-two million, sixty-four thousand, seven hundred ninety-four".