9846568381 has 4 divisors (see below), whose sum is σ = 10603996732. Its totient is φ = 9089140032.

The previous prime is 9846568367. The next prime is 9846568429. The reversal of 9846568381 is 1838656489.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4420920100 + 5425648281 = 66490^2 + 73659^2 .

It is a cyclic number.

It is not a de Polignac number, because 9846568381 - 2⁹ = 9846567869 is a prime.

It is a super-2 number, since 2×9846568381² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9846565381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378714156 + ... + 378714181.

It is an arithmetic number, because the mean of its divisors is an integer number (2650999183).

Almost surely, 2^9846568381 is an apocalyptic number.

It is an amenable number.

9846568381 is a deficient number, since it is larger than the sum of its proper divisors (757428351).

9846568381 is a wasteful number, since it uses less digits than its factorization.

9846568381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757428350.

The product of its digits is 9953280, while the sum is 58.

The square root of 9846568381 is about 99229.8764536165. The cubic root of 9846568381 is about 2143.3592378329.

The spelling of 9846568381 in words is "nine billion, eight hundred forty-six million, five hundred sixty-eight thousand, three hundred eighty-one".