9409621896 has 24 divisors (see below), whose sum is σ = 25484392830. Its totient is φ = 3136540608.

The previous prime is 9409621891. The next prime is 9409621901. The reversal of 9409621896 is 6981269049.

9409621896 is a `hidden beast` number, since 9 + 4 + 0 + 9 + 621 + 8 + 9 + 6 = 666.

9409621896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9409621891) and next prime (9409621901).

It can be written as a sum of positive squares in only one way, i.e., 8105400900 + 1304220996 = 90030^2 + 36114^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (9409621891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65344525 + ... + 65344668.

Almost surely, 2^9409621896 is an apocalyptic number.

It is an amenable number.

9409621896 is an abundant number, since it is smaller than the sum of its proper divisors (16074770934).

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

9409621896 is a wasteful number, since it uses less digits than its factorization.

9409621896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130689205 (or 130689198 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The square root of 9409621896 is about 97003.2055965162. The cubic root of 9409621896 is about 2111.1741401295.

The spelling of 9409621896 in words is "nine billion, four hundred nine million, six hundred twenty-one thousand, eight hundred ninety-six".