9855912473 has 8 divisors (see below), whose sum is σ = 10756621056. Its totient is φ = 8955990000.

The previous prime is 9855912461. The next prime is 9855912497. The reversal of 9855912473 is 3742195589.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9855912473 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9855912973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170153 + ... + 220598.

It is an arithmetic number, because the mean of its divisors is an integer number (1344577632).

Almost surely, 2^9855912473 is an apocalyptic number.

It is an amenable number.

9855912473 is a deficient number, since it is larger than the sum of its proper divisors (900708583).

9855912473 is a wasteful number, since it uses less digits than its factorization.

9855912473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393055.

The product of its digits is 2721600, while the sum is 53.

The square root of 9855912473 is about 99276.9483465321. The cubic root of 9855912473 is about 2144.0370175842.

The spelling of 9855912473 in words is "nine billion, eight hundred fifty-five million, nine hundred twelve thousand, four hundred seventy-three".