9471894650 has 12 divisors (see below), whose sum is σ = 17617724142. Its totient is φ = 3788757840.

The previous prime is 9471894599. The next prime is 9471894689. The reversal of 9471894650 is 564981749.

It can be written as a sum of positive squares in 3 ways, for example, as 5303771929 + 4168122721 = 72827^2 + 64561^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9471894592 and 9471894601.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 94718897 + ... + 94718996.

Almost surely, 2^9471894650 is an apocalyptic number.

9471894650 is a deficient number, since it is larger than the sum of its proper divisors (8145829492).

9471894650 is a wasteful number, since it uses less digits than its factorization.

9471894650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189437905 (or 189437900 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 53.

The square root of 9471894650 is about 97323.6592509756. The cubic root of 9471894650 is about 2115.8211447854.

The spelling of 9471894650 in words is "nine billion, four hundred seventy-one million, eight hundred ninety-four thousand, six hundred fifty".