9838854481 has 3 divisors (see below), whose sum is σ = 9838953673. Its totient is φ = 9838755290.

The previous prime is 9838854479. The next prime is 9838854521. The reversal of 9838854481 is 1844588389.

It is a happy number.

The square root of 9838854481 is 99191.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 9838854481 - 2¹ = 9838854479 is a prime.

It is a super-2 number, since 2×9838854481² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9838854401) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 49596 + ... + 148786.

Almost surely, 2^9838854481 is an apocalyptic number.

9838854481 is the 99191-st square number.

9838854481 is the 49596-th centered octagonal number.

It is an amenable number.

9838854481 is a deficient number, since it is larger than the sum of its proper divisors (99192).

9838854481 is an frugal number, since it uses more digits than its factorization.

9838854481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198382 (or 99191 counting only the distinct ones).

The product of its digits is 8847360, while the sum is 58.

The cubic root of 9838854481 is about 2142.7993819315.

The spelling of 9838854481 in words is "nine billion, eight hundred thirty-eight million, eight hundred fifty-four thousand, four hundred eighty-one".