9909694146 has 32 divisors (see below), whose sum is σ = 21637233216. Its totient is φ = 3000704000.

The previous prime is 9909694087. The next prime is 9909694159. The reversal of 9909694146 is 6414969099.

It is a Curzon number.

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, 34666 + ... + 144986.

It is an arithmetic number, because the mean of its divisors is an integer number (676163538).

Almost surely, 2^9909694146 is an apocalyptic number.

9909694146 is an abundant number, since it is smaller than the sum of its proper divisors (11727539070).

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

9909694146 is a wasteful number, since it uses less digits than its factorization.

9909694146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111698.

The product of its (nonzero) digits is 3779136, while the sum is 57.

The square root of 9909694146 is about 99547.4467075876. The cubic root of 9909694146 is about 2147.9298007533.

The spelling of 9909694146 in words is "nine billion, nine hundred nine million, six hundred ninety-four thousand, one hundred forty-six".