9471249774 has 24 divisors (see below), whose sum is σ = 23452618800. Its totient is φ = 2706071328.

The previous prime is 9471249773. The next prime is 9471249803. The reversal of 9471249774 is 4779421749.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9471249774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9471249773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37584199 + ... + 37584450.

It is an arithmetic number, because the mean of its divisors is an integer number (977192450).

Almost surely, 2^9471249774 is an apocalyptic number.

9471249774 is an abundant number, since it is smaller than the sum of its proper divisors (13981369026).

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

9471249774 is a wasteful number, since it uses less digits than its factorization.

9471249774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75168664 (or 75168661 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 54.

The square root of 9471249774 is about 97320.3461461168. The cubic root of 9471249774 is about 2115.7731264711.

The spelling of 9471249774 in words is "nine billion, four hundred seventy-one million, two hundred forty-nine thousand, seven hundred seventy-four".