9281820133 has 8 divisors (see below), whose sum is σ = 9442236608. Its totient is φ = 9122302944.

The previous prime is 9281820073. The next prime is 9281820151. The reversal of 9281820133 is 3310281829.

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

It is a cyclic number.

It is not a de Polignac number, because 9281820133 - 2¹⁷ = 9281689061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9281820092 and 9281820101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9281820193) 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, 203985 + ... + 245302.

It is an arithmetic number, because the mean of its divisors is an integer number (1180279576).

Almost surely, 2^9281820133 is an apocalyptic number.

It is an amenable number.

9281820133 is a deficient number, since it is larger than the sum of its proper divisors (160416475).

9281820133 is a wasteful number, since it uses less digits than its factorization.

9281820133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449643.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 9281820133 is about 96342.2032808052. The cubic root of 9281820133 is about 2101.5725283587.

The spelling of 9281820133 in words is "nine billion, two hundred eighty-one million, eight hundred twenty thousand, one hundred thirty-three".