9431404992 has 112 divisors (see below), whose sum is σ = 27755392800. Its totient is φ = 3140536320.

The previous prime is 9431404991. The next prime is 9431404999. The reversal of 9431404992 is 2994041349.

9431404992 is a `hidden beast` number, since 94 + 31 + 40 + 499 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9431404991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2121492 + ... + 2125932.

Almost surely, 2^9431404992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9431404992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13877696400).

9431404992 is an abundant number, since it is smaller than the sum of its proper divisors (18323987808).

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

9431404992 is a wasteful number, since it uses less digits than its factorization.

9431404992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5691 (or 5675 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 9431404992 is about 97115.4209793687. The cubic root of 9431404992 is about 2112.8019939724.

The spelling of 9431404992 in words is "nine billion, four hundred thirty-one million, four hundred four thousand, nine hundred ninety-two".